{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T00:18:49Z","timestamp":1793060329128,"version":"4.5.0"},"reference-count":102,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,7,23]],"date-time":"2021-07-23T00:00:00Z","timestamp":1626998400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2021,7,23]],"date-time":"2021-07-23T00:00:00Z","timestamp":1626998400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur J Nutr"],"published-print":{"date-parts":[[2022,2]]},"DOI":"10.1007\/s00394-021-02619-8","type":"journal-article","created":{"date-parts":[[2021,7,23]],"date-time":"2021-07-23T19:03:10Z","timestamp":1627066990000},"page":"55-67","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":142,"title":["Micronutrients deficiences in patients after bariatric surgery"],"prefix":"10.1007","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2165-8373","authenticated-orcid":false,"given":"Amin","family":"Gasmi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2632-3935","authenticated-orcid":false,"given":"Geir","family":"Bj\u00f8rklund","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2437-1263","authenticated-orcid":false,"given":"Pavan Kumar","family":"Mujawdiya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuliya","family":"Semenova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3306-0419","authenticated-orcid":false,"given":"Massimiliano","family":"Peana","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8782-6718","authenticated-orcid":false,"given":"Alexandru","family":"Dosa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salva","family":"Piscopo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4041-362X","authenticated-orcid":false,"given":"Asma","family":"Gasmi Benahmed","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9011-5781","authenticated-orcid":false,"given":"Daniel Ovidiu","family":"Costea","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,7,23]]},"reference":[{"issue":"5","key":"2619_CR1","doi-asserted-by":"publisher","first-page":"288","DOI":"10.1038\/s41574-019-0176-8","volume":"15","author":"M Bluher","year":"2019","unstructured":"Bluher M (2019) Obesity: global epidemiology and pathogenesis. Nat Rev Endocrinol 15(5):288\u2013298. https:\/\/doi.org\/10.1038\/s41574-019-0176-8","journal-title":"Nat Rev Endocrinol"},{"issue":"10","key":"2619_CR2","doi-asserted-by":"publisher","first-page":"e14111","DOI":"10.14814\/phy2.14111","volume":"7","author":"I Casimiro","year":"2019","unstructured":"Casimiro I, Sam S, Brady MJ (2019) Endocrine implications of bariatric surgery: a review on the intersection between incretins, bone, and sex hormones. Physiol Rep 7(10):e14111\u2013e14111. https:\/\/doi.org\/10.14814\/phy2.14111","journal-title":"Physiol Rep"},{"issue":"2","key":"2619_CR3","doi-asserted-by":"publisher","first-page":"186","DOI":"10.2337\/dci18-0031","volume":"42","author":"JQ Purnell","year":"2019","unstructured":"Purnell JQ, Wolfe BM (2019) Bariatric\/metabolic surgery for diabetes: lessons from the past and present. Diabetes Care 42(2):186\u2013188. https:\/\/doi.org\/10.2337\/dci18-0031","journal-title":"Diabetes Care"},{"key":"2619_CR4","doi-asserted-by":"publisher","DOI":"10.1016\/j.nut.2020.110831","volume":"78","author":"G Bj\u00f8rklund","year":"2020","unstructured":"Bj\u00f8rklund G, Semenova Y, Pivina L, Costea DO (2020) Follow-up after bariatric surgery: a review. Nutrition 78:110831. https:\/\/doi.org\/10.1016\/j.nut.2020.110831","journal-title":"Nutrition"},{"issue":"6","key":"2619_CR5","doi-asserted-by":"publisher","first-page":"628","DOI":"10.1111\/j.1464-5491.2011.03306.x","volume":"28","author":"JB Dixon","year":"2011","unstructured":"Dixon JB, Zimmet P, Alberti KG, Rubino F (2011) Bariatric surgery: an IDF statement for obese type 2 diabetes. Diabet Med 28(6):628\u2013642. https:\/\/doi.org\/10.1111\/j.1464-5491.2011.03306.x","journal-title":"Diabet Med"},{"issue":"4","key":"2619_CR6","doi-asserted-by":"publisher","first-page":"1002","DOI":"10.1007\/s11695-017-2975-0","volume":"28","author":"J McCracken","year":"2018","unstructured":"McCracken J, Steinbeisser M, Kharbutli B (2018) Does size matter? correlation of excised gastric specimen size in sleeve gastrectomy to postoperative weight loss and comorbidities. Obes Surg 28(4):1002\u20131006. https:\/\/doi.org\/10.1007\/s11695-017-2975-0","journal-title":"Obes Surg"},{"issue":"11","key":"2619_CR7","doi-asserted-by":"publisher","first-page":"464","DOI":"10.4239\/wjd.v8.i11.464","volume":"8","author":"R Lupoli","year":"2017","unstructured":"Lupoli R, Lembo E, Saldalamacchia G, Avola CK, Angrisani L, Capaldo B (2017) Bariatric surgery and long-term nutritional issues. World J Diabetes 8(11):464\u2013474. https:\/\/doi.org\/10.4239\/wjd.v8.i11.464","journal-title":"World J Diabetes"},{"issue":"7","key":"2619_CR8","doi-asserted-by":"publisher","first-page":"777","DOI":"10.1586\/17474124.2016.1169921","volume":"10","author":"CH Lim","year":"2016","unstructured":"Lim CH, Jahansouz C, Abraham AA, Leslie DB, Ikramuddin S (2016) The future of the Roux-en-Y gastric bypass. Expert Rev Gastroenterol Hepatol 10(7):777\u2013784. https:\/\/doi.org\/10.1586\/17474124.2016.1169921","journal-title":"Expert Rev Gastroenterol Hepatol"},{"issue":"9","key":"2619_CR9","doi-asserted-by":"publisher","first-page":"1458","DOI":"10.1007\/s11695-011-0390-5","volume":"21","author":"JV Franco","year":"2011","unstructured":"Franco JV, Ruiz PA, Palermo M, Gagner M (2011) A review of studies comparing three laparoscopic procedures in bariatric surgery: sleeve gastrectomy, Roux-en-Y gastric bypass and adjustable gastric banding. Obes Surg 21(9):1458\u20131468. https:\/\/doi.org\/10.1007\/s11695-011-0390-5","journal-title":"Obes Surg"},{"key":"2619_CR10","doi-asserted-by":"publisher","first-page":"88","DOI":"10.1016\/j.ijscr.2018.07.028","volume":"50","author":"A Justice","year":"2018","unstructured":"Justice A, Keilani Z, Tribble J (2018) A unique case report of jejunoileal bypass reversal with review of the literature. Int J Surg Case Rep 50:88\u201391. https:\/\/doi.org\/10.1016\/j.ijscr.2018.07.028","journal-title":"Int J Surg Case Rep"},{"key":"2619_CR11","doi-asserted-by":"publisher","first-page":"3641","DOI":"10.1002\/14651858.CD003641.pub4","volume":"8","author":"JL Colquitt","year":"2014","unstructured":"Colquitt JL, Pickett K, Loveman E, Frampton GK (2014) Surgery for weight loss in adults. Cochrane Database Syst Rev 8:3641. https:\/\/doi.org\/10.1002\/14651858.CD003641.pub4","journal-title":"Cochrane Database Syst Rev"},{"issue":"12","key":"2619_CR12","doi-asserted-by":"publisher","first-page":"1346","DOI":"10.4158\/GL-2019-0406","volume":"25","author":"JI Mechanick","year":"2019","unstructured":"Mechanick JI, Apovian C, Brethauer S, Garvey WT, Joffe AM, Kim J, Kushner RF, Lindquist R, Pessah-Pollack R, Seger J, Urman RD, Adams S, Cleek JB, Correa R, Figaro MK, Flanders K, Grams J, Hurley DL, Kothari S, Seger MV, Still CD (2019) Clinical practice guidelines for the perioperative nutrition, metabolic, and nonsurgical support of patients undergoing bariatric procedures\u20142019 update: cosponsored by American Association of Clinical Endocrinologists\/American College of Endocrinology, the Obesity Society, American Society for Metabolic & Bariatric Surgery, Obesity Medicine Association, and American Society of Anesthesiologists, Executive Summary. Endocr Pract 25(12):1346\u20131359. https:\/\/doi.org\/10.4158\/GL-2019-0406","journal-title":"Endocr Pract"},{"issue":"1","key":"2619_CR13","doi-asserted-by":"publisher","first-page":"13","DOI":"10.1016\/j.diabet.2006.11.004","volume":"33","author":"C Poitou Bernert","year":"2007","unstructured":"Poitou Bernert C, Ciangura C, Coupaye M, Czernichow S, Bouillot JL, Basdevant A (2007) Nutritional deficiency after gastric bypass: diagnosis, prevention and treatment. Diabetes Metab 33(1):13\u201324. https:\/\/doi.org\/10.1016\/j.diabet.2006.11.004","journal-title":"Diabetes Metab"},{"issue":"7","key":"2619_CR14","doi-asserted-by":"publisher","first-page":"1916","DOI":"10.1007\/s11695-017-3102-y","volume":"28","author":"KK Mahawar","year":"2018","unstructured":"Mahawar KK, Reid A, Graham Y, Callejas-Diaz L, Parmar C, Carr WR, Jennings N, Singhal R, Small PK (2018) Oral Vitamin B12 supplementation after Roux-en-Y gastric bypass: a systematic review. Obes Surg 28(7):1916\u20131923. https:\/\/doi.org\/10.1007\/s11695-017-3102-y","journal-title":"Obes Surg"},{"issue":"5","key":"2619_CR15","doi-asserted-by":"publisher","first-page":"1638","DOI":"10.1007\/s11695-019-03750-6","volume":"29","author":"J Homan","year":"2019","unstructured":"Homan J, Schijns W, Janssen IMC, Berends FJ, Aarts EO (2019) Adequate multivitamin supplementation after Roux-En-Y gastric bypass results in a decrease of national health care costs: a cost-effectiveness analysis. Obes Surg 29(5):1638\u20131643. https:\/\/doi.org\/10.1007\/s11695-019-03750-6","journal-title":"Obes Surg"},{"issue":"5","key":"2619_CR16","doi-asserted-by":"publisher","first-page":"506","DOI":"10.3945\/an.113.004341","volume":"4","author":"N Gletsu-Miller","year":"2013","unstructured":"Gletsu-Miller N, Wright BN (2013) Mineral malnutrition following bariatric surgery. Adv Nutr 4(5):506\u2013517. https:\/\/doi.org\/10.3945\/an.113.004341","journal-title":"Adv Nutr"},{"issue":"7","key":"2619_CR17","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2014-006964","volume":"5","author":"TC Weng","year":"2015","unstructured":"Weng TC, Chang CH, Dong YH, Chang YC, Chuang LM (2015) Anaemia and related nutrient deficiencies after Roux-en-Y gastric bypass surgery: a systematic review and meta-analysis. BMJ Open 5(7):e006964. https:\/\/doi.org\/10.1136\/bmjopen-2014-006964","journal-title":"BMJ Open"},{"issue":"8","key":"2619_CR18","doi-asserted-by":"publisher","DOI":"10.1038\/ctg.2017.39","volume":"8","author":"SJD O'Keefe","year":"2017","unstructured":"O\u2019Keefe SJD, Rakitt T, Ou J, El H II, Blaney E, Vipperla K, Holst JJ, Rehlfeld J (2017) Pancreatic and intestinal function post Roux-en-Y gastric bypass surgery for obesity. Clin Transl Gastroenterol 8(8):e112. https:\/\/doi.org\/10.1038\/ctg.2017.39","journal-title":"Clin Transl Gastroenterol"},{"issue":"5","key":"2619_CR19","doi-asserted-by":"publisher","first-page":"307","DOI":"10.1097\/SLE.0000000000000418","volume":"27","author":"SH Emile","year":"2017","unstructured":"Emile SH, Elfeki H, Elalfy K, Abdallah E (2017) Laparoscopic sleeve gastrectomy then and now: an updated systematic review of the progress and short-term outcomes over the last 5 years. Surg Laparosc Endosc Percutaneous Tech 27(5):307\u2013315","journal-title":"Surg Laparosc Endosc Percutaneous Tech"},{"issue":"4","key":"2619_CR20","doi-asserted-by":"publisher","first-page":"1755","DOI":"10.1007\/s11695-020-05160-5","volume":"31","author":"W El Ansari","year":"2021","unstructured":"El Ansari W, Elhag W (2021) Weight regain and insufficient weight loss after bariatric surgery: definitions, prevalence, mechanisms, predictors, prevention and management strategies, and knowledge gaps\u2014a scoping review. Obes Surg 31(4):1755\u20131766. https:\/\/doi.org\/10.1007\/s11695-020-05160-5","journal-title":"Obes Surg"},{"issue":"2","key":"2619_CR21","doi-asserted-by":"publisher","first-page":"165","DOI":"10.1016\/j.jocd.2019.08.002","volume":"23","author":"R Saad","year":"2020","unstructured":"Saad R, Habli D, El Sabbagh R, Chakhtoura M (2020) Bone health following bariatric surgery: an update. J Clin Densitom 23(2):165\u2013181. https:\/\/doi.org\/10.1016\/j.jocd.2019.08.002","journal-title":"J Clin Densitom"},{"issue":"9","key":"2619_CR22","doi-asserted-by":"publisher","first-page":"1626","DOI":"10.1007\/s11695-015-1570-5","volume":"25","author":"J Homan","year":"2015","unstructured":"Homan J, Betzel B, Aarts EO, Dogan K, van Laarhoven KJ, Janssen IM, Berends FJ (2015) Vitamin and mineral deficiencies after biliopancreatic diversion and biliopancreatic diversion with duodenal switch\u2014the rule rather than the exception. Obes Surg 25(9):1626\u20131632. https:\/\/doi.org\/10.1007\/s11695-015-1570-5","journal-title":"Obes Surg"},{"issue":"8","key":"2619_CR23","doi-asserted-by":"publisher","first-page":"1939","DOI":"10.1007\/s11695-016-2241-x","volume":"26","author":"PC Nett","year":"2016","unstructured":"Nett PC (2016) Answer to: micronutrient supplementation after biliopancreatic diversion with duodenal switch in the long term: using refill bypass is the solution. Obes Surg 26(8):1939. https:\/\/doi.org\/10.1007\/s11695-016-2241-x","journal-title":"Obes Surg"},{"key":"2619_CR24","doi-asserted-by":"publisher","first-page":"13","DOI":"10.1186\/1471-2482-12-13","volume":"12","author":"N Pech","year":"2012","unstructured":"Pech N, Meyer F, Lippert H, Manger T, Stroh C (2012) Complications and nutrient deficiencies two years after sleeve gastrectomy. BMC Surg 12:13. https:\/\/doi.org\/10.1186\/1471-2482-12-13","journal-title":"BMC Surg"},{"key":"2619_CR25","doi-asserted-by":"publisher","DOI":"10.3390\/nu12051442","author":"MS Ormanji","year":"2020","unstructured":"Ormanji MS, Rodrigues FG, Heilberg IP (2020) Dietary recommendations for bariatric patients to prevent kidney stone formation. Nutrients. https:\/\/doi.org\/10.3390\/nu12051442","journal-title":"Nutrients"},{"issue":"8","key":"2619_CR26","doi-asserted-by":"publisher","first-page":"1333","DOI":"10.1007\/s11695-013-0913-3","volume":"23","author":"S Chakravartty","year":"2013","unstructured":"Chakravartty S, Sarma DR, Patel AG (2013) Rhabdomyolysis in bariatric surgery: a systematic review. Obes Surg 23(8):1333\u20131340. https:\/\/doi.org\/10.1007\/s11695-013-0913-3","journal-title":"Obes Surg"},{"issue":"5","key":"2619_CR27","doi-asserted-by":"publisher","first-page":"1105","DOI":"10.1016\/j.pcl.2009.07.002","volume":"56","author":"SA Xanthakos","year":"2009","unstructured":"Xanthakos SA (2009) Nutritional deficiencies in obesity and after bariatric surgery. Pediatr Clin North Am 56(5):1105\u20131121. https:\/\/doi.org\/10.1016\/j.pcl.2009.07.002","journal-title":"Pediatr Clin North Am"},{"issue":"1","key":"2619_CR28","doi-asserted-by":"publisher","first-page":"73","DOI":"10.1016\/j.dsx.2016.06.017","volume":"11","author":"S Verma","year":"2017","unstructured":"Verma S, Hussain ME (2017) Obesity and diabetes: an update. Diabetes Metab Syndr 11(1):73\u201379. https:\/\/doi.org\/10.1016\/j.dsx.2016.06.017","journal-title":"Diabetes Metab Syndr"},{"issue":"10","key":"2619_CR29","doi-asserted-by":"publisher","first-page":"2458","DOI":"10.3390\/nu11102458","volume":"11","author":"SA Paschou","year":"2019","unstructured":"Paschou SA, Kosmopoulos M, Nikas IP, Spartalis M, Kassi E, Goulis DG, Lambrinoudaki I, Siasos G (2019) The impact of obesity on the association between vitamin D deficiency and cardiovascular disease. Nutrients 11(10):2458. https:\/\/doi.org\/10.3390\/nu11102458","journal-title":"Nutrients"},{"issue":"45","key":"2619_CR30","doi-asserted-by":"publisher","first-page":"263","DOI":"10.1024\/0300-9831\/a000033","volume":"80","author":"AC Cepeda-Lopez","year":"2010","unstructured":"Cepeda-Lopez AC, Aeberli I, Zimmermann MB (2010) Does obesity increase risk for iron deficiency? A review of the literature and the potential mechanisms. Int J Vitam Nutr Res 80(45):263\u2013270. https:\/\/doi.org\/10.1024\/0300-9831\/a000033","journal-title":"Int J Vitam Nutr Res"},{"issue":"3","key":"2619_CR31","doi-asserted-by":"publisher","first-page":"967","DOI":"10.1007\/s00253-019-10293-4","volume":"104","author":"A Gasmi","year":"2020","unstructured":"Gasmi A, Mujawdiya PK, Shanaida M, Ongenae A, Lysiuk R, Dosa MD, Tsal O, Piscopo S, Chirumbolo S, Bj\u00f8rklund G (2020) Calanus oil in the treatment of obesity-related low-grade inflammation, insulin resistance, and atherosclerosis. Appl Microbiol Biotechnol 104(3):967\u2013979. https:\/\/doi.org\/10.1007\/s00253-019-10293-4","journal-title":"Appl Microbiol Biotechnol"},{"key":"2619_CR32","doi-asserted-by":"publisher","DOI":"10.3390\/biom11050613","author":"G Bj\u00f8rklund","year":"2021","unstructured":"Bj\u00f8rklund G, Peana M, Pivina L, Dosa A, Aaseth J, Semenova Y, Chirumbolo S, Medici S, Dadar M, Costea DO (2021) Iron deficiency in obesity and after bariatric surgery. Biomolecules. https:\/\/doi.org\/10.3390\/biom11050613","journal-title":"Biomolecules"},{"issue":"8","key":"2619_CR33","doi-asserted-by":"publisher","first-page":"893","DOI":"10.1016\/s0002-8223(95)00247-2","volume":"95","author":"JS Hampl","year":"1995","unstructured":"Hampl JS, Betts NM (1995) Comparisons of dietary intake and sources of fat in low- and high-fat diets of 18- to 24-year-olds. J Am Diet Assoc 95(8):893\u2013897. https:\/\/doi.org\/10.1016\/s0002-8223(95)00247-2","journal-title":"J Am Diet Assoc"},{"issue":"15","key":"2619_CR34","doi-asserted-by":"publisher","first-page":"3332","DOI":"10.1080\/10408398.2015.1117413","volume":"57","author":"S Thomas-Vald\u00e9s","year":"2017","unstructured":"Thomas-Vald\u00e9s S, Tostes MdGV, Anuncia\u00e7\u00e3o PC, da Silva BP, Sant\u2019Ana HMP (2017) Association between vitamin deficiency and metabolic disorders related to obesity. Crit Rev Food Sci Nutr 57(15):3332\u20133343. https:\/\/doi.org\/10.1080\/10408398.2015.1117413","journal-title":"Crit Rev Food Sci Nutr"},{"issue":"4","key":"2619_CR35","doi-asserted-by":"publisher","first-page":"237","DOI":"10.3148\/66.4.2005.237","volume":"66","author":"L Gillis","year":"2005","unstructured":"Gillis L, Gillis A (2005) Nutrient inadequacy in obese and non-obese youth. Can J Diet Pract Res 66(4):237\u2013242. https:\/\/doi.org\/10.3148\/66.4.2005.237","journal-title":"Can J Diet Pract Res"},{"issue":"4","key":"2619_CR36","doi-asserted-by":"publisher","first-page":"237","DOI":"10.1016\/j.eatbeh.2009.07.006","volume":"10","author":"EA Dennis","year":"2009","unstructured":"Dennis EA, Flack KD, Davy BM (2009) Beverage consumption and adult weight management: a review. Eat Behav 10(4):237\u2013246. https:\/\/doi.org\/10.1016\/j.eatbeh.2009.07.006","journal-title":"Eat Behav"},{"key":"2619_CR37","doi-asserted-by":"publisher","first-page":"97","DOI":"10.1016\/j.jsbmb.2016.11.005","volume":"175","author":"A Bettencourt","year":"2018","unstructured":"Bettencourt A, Boleixa D, Reis J, Oliveira JC, Mendonca D, Costa PP, Silva BMD, Marinho A, Silva AMD (2018) Serum 25-hydroxyvitamin D levels in a healthy population from the North of Portugal. J Steroid Biochem Mol Biol 175:97\u2013101. https:\/\/doi.org\/10.1016\/j.jsbmb.2016.11.005","journal-title":"J Steroid Biochem Mol Biol"},{"key":"2619_CR38","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsbmb.2019.105565","volume":"199","author":"O Gromova","year":"2020","unstructured":"Gromova O, Doschanova A, Lokshin V, Tuletova A, Grebennikova G, Daniyarova L, Kaishibayeva G, Nurpeissov T, Khan V, Semenova Y, Chibisova A, Suzdalskaya N, Aitaly Z, Glushkova N (2020) Vitamin D deficiency in Kazakhstan: cross-sectional study. J Steroid Biochem Mol Biol 199:105565. https:\/\/doi.org\/10.1016\/j.jsbmb.2019.105565","journal-title":"J Steroid Biochem Mol Biol"},{"issue":"1","key":"2619_CR39","doi-asserted-by":"publisher","first-page":"66","DOI":"10.1007\/s11695-008-9545-4","volume":"19","author":"B Ernst","year":"2009","unstructured":"Ernst B, Thurnheer M, Schmid SM, Schultes B (2009) Evidence for the necessity to systematically assess micronutrient status prior to bariatric surgery. Obes Surg 19(1):66\u201373. https:\/\/doi.org\/10.1007\/s11695-008-9545-4","journal-title":"Obes Surg"},{"key":"2619_CR40","unstructured":"World Health Organization (2011) Haemoglobin concentrations for the diagnosis of anaemia and assessment of severity. Vitamin and Mineral Nutrition Information System. http:\/\/www.who.int\/vmnis\/indicators\/haemoglobin.pdf. Accessed 1 May 2021"},{"issue":"2","key":"2619_CR41","doi-asserted-by":"publisher","first-page":"193","DOI":"10.1007\/s11695-009-0008-3","volume":"20","author":"C Schweiger","year":"2010","unstructured":"Schweiger C, Weiss R, Berry E, Keidar A (2010) Nutritional deficiencies in bariatric surgery candidates. Obes Surg 20(2):193\u2013197. https:\/\/doi.org\/10.1007\/s11695-009-0008-3","journal-title":"Obes Surg"},{"issue":"2","key":"2619_CR42","doi-asserted-by":"publisher","first-page":"323","DOI":"10.1016\/j.soard.2011.09.015","volume":"9","author":"DA de Luis","year":"2013","unstructured":"de Luis DA, Pacheco D, Izaola O, Terroba MC, Cuellar L, Cabezas G (2013) Micronutrient status in morbidly obese women before bariatric surgery. Surg Obes Relat Dis 9(2):323\u2013327. https:\/\/doi.org\/10.1016\/j.soard.2011.09.015","journal-title":"Surg Obes Relat Dis"},{"issue":"2","key":"2619_CR43","doi-asserted-by":"publisher","first-page":"219","DOI":"10.1038\/s41366-018-0143-9","volume":"43","author":"A Astrup","year":"2019","unstructured":"Astrup A, Bugel S (2019) Overfed but undernourished: recognizing nutritional inadequacies\/deficiencies in patients with overweight or obesity. Int J Obes (Lond) 43(2):219\u2013232. https:\/\/doi.org\/10.1038\/s41366-018-0143-9","journal-title":"Int J Obes (Lond)"},{"issue":"11","key":"2619_CR44","doi-asserted-by":"publisher","first-page":"E1491","DOI":"10.1210\/jc.2015-3204","volume":"100","author":"E Nilsson","year":"2015","unstructured":"Nilsson E, Matte A, Perfilyev A, de Mello VD, Kakela P, Pihlajamaki J, Ling C (2015) Epigenetic alterations in human liver from subjects with type 2 diabetes in parallel with reduced folate levels. J Clin Endocrinol Metab 100(11):E1491-1501. https:\/\/doi.org\/10.1210\/jc.2015-3204","journal-title":"J Clin Endocrinol Metab"},{"key":"2619_CR45","doi-asserted-by":"publisher","DOI":"10.3390\/nu12010228","author":"AL Tardy","year":"2020","unstructured":"Tardy AL, Pouteau E, Marquez D, Yilmaz C, Scholey A (2020) Vitamins and minerals for energy, fatigue and cognition: a narrative review of the biochemical and clinical evidence. Nutrients. https:\/\/doi.org\/10.3390\/nu12010228","journal-title":"Nutrients"},{"issue":"8","key":"2619_CR46","doi-asserted-by":"publisher","first-page":"1321","DOI":"10.1042\/BCJ20170042","volume":"474","author":"MJ Berridge","year":"2017","unstructured":"Berridge MJ (2017) Vitamin D deficiency and diabetes. Biochem J 474(8):1321\u20131332. https:\/\/doi.org\/10.1042\/BCJ20170042","journal-title":"Biochem J"},{"key":"2619_CR47","volume-title":"Modern nutrition in health and disease","author":"M Levin","year":"2006","unstructured":"Levin M, Katz A, Padayatty SJ (2006) Vitamin C. In: Shils ME, Shike M, Ross AC, Caballero B, Cousins RJ (eds) Modern nutrition in health and disease. Lippincott Williams & Wilkins, Philadelphia"},{"issue":"2","key":"2619_CR48","doi-asserted-by":"publisher","first-page":"145","DOI":"10.1381\/0960892053268264","volume":"15","author":"RD Bloomberg","year":"2005","unstructured":"Bloomberg RD, Fleishman A, Nalle JE, Herron DM, Kini S (2005) Nutritional deficiencies following bariatric surgery: what have we learned? Obes Surg 15(2):145\u2013154. https:\/\/doi.org\/10.1381\/0960892053268264","journal-title":"Obes Surg"},{"issue":"11","key":"2619_CR49","doi-asserted-by":"publisher","first-page":"4542","DOI":"10.1007\/s11695-020-04872-y","volume":"30","author":"CA Lewis","year":"2020","unstructured":"Lewis CA, de Jersey S, Seymour M, Hopkins G, Hickman I, Osland E (2020) Iron, Vitamin B12, folate and copper deficiency after bariatric surgery and the impact on anaemia: a systematic review. Obes Surg 30(11):4542\u20134591. https:\/\/doi.org\/10.1007\/s11695-020-04872-y","journal-title":"Obes Surg"},{"issue":"11","key":"2619_CR50","doi-asserted-by":"publisher","first-page":"3735","DOI":"10.1007\/s11695-019-04100-2","volume":"29","author":"N Komorniak","year":"2019","unstructured":"Komorniak N, Szczuko M, Kowalewski B, Stachowska E (2019) Nutritional deficiencies, bariatric surgery, and serum homocysteine level: review of current literature. Obes Surg 29(11):3735\u20133742. https:\/\/doi.org\/10.1007\/s11695-019-04100-2","journal-title":"Obes Surg"},{"issue":"2","key":"2619_CR51","doi-asserted-by":"publisher","first-page":"262","DOI":"10.1016\/j.soard.2013.07.014","volume":"10","author":"A Alexandrou","year":"2014","unstructured":"Alexandrou A, Armeni E, Kouskouni E, Tsoka E, Diamantis T, Lambrinoudaki I (2014) Cross-sectional long-term micronutrient deficiencies after sleeve gastrectomy versus Roux-en-Y gastric bypass: a pilot study. Surg Obes Relat Dis 10(2):262\u2013268. https:\/\/doi.org\/10.1016\/j.soard.2013.07.014","journal-title":"Surg Obes Relat Dis"},{"key":"2619_CR52","doi-asserted-by":"publisher","DOI":"10.26420\/annhematoloncol.2018.1209","author":"H Al-Jafar","year":"2018","unstructured":"Al-Jafar H, Al-Zamil K, Al Ageeli M, Alhaifi M, Al-Sabah S (2018) Potential hematology and nutritional complications of bariatric surgery. Ann Hematol Oncol. https:\/\/doi.org\/10.26420\/annhematoloncol.2018.1209","journal-title":"Ann Hematol Oncol"},{"issue":"1","key":"2619_CR53","doi-asserted-by":"publisher","first-page":"5","DOI":"10.4103\/2394-2010.143318","volume":"1","author":"L Mahmood","year":"2014","unstructured":"Mahmood L (2014) The metabolic processes of folic acid and Vitamin B12 deficiency. J Health Res Rev 1(1):5","journal-title":"J Health Res Rev"},{"issue":"4","key":"2619_CR54","doi-asserted-by":"publisher","first-page":"574","DOI":"10.1016\/j.metabol.2015.12.004","volume":"65","author":"MT Chakhtoura","year":"2016","unstructured":"Chakhtoura MT, Nakhoul NN, Shawwa K, Mantzoros C, El Hajj Fuleihan GA (2016) Hypovitaminosis D in bariatric surgery: a systematic review of observational studies. Metabolism 65(4):574\u2013585. https:\/\/doi.org\/10.1016\/j.metabol.2015.12.004","journal-title":"Metabolism"},{"issue":"11","key":"2619_CR55","doi-asserted-by":"publisher","first-page":"2905","DOI":"10.1007\/s11695-017-2705-7","volume":"27","author":"M Shah","year":"2017","unstructured":"Shah M, Sharma A, Wermers RA, Kennel KA, Kellogg TA, Mundi MS (2017) Hypocalcemia after bariatric surgery: prevalence and associated risk factors. Obes Surg 27(11):2905\u20132911. https:\/\/doi.org\/10.1007\/s11695-017-2705-7","journal-title":"Obes Surg"},{"issue":"10","key":"2619_CR56","doi-asserted-by":"publisher","first-page":"1086","DOI":"10.1177\/1535370216688567","volume":"242","author":"E Lespessailles","year":"2017","unstructured":"Lespessailles E, Toumi H (2017) Vitamin D alteration associated with obesity and bariatric surgery. Exp Biol Med (Maywood) 242(10):1086\u20131094. https:\/\/doi.org\/10.1177\/1535370216688567","journal-title":"Exp Biol Med (Maywood)"},{"issue":"2","key":"2619_CR57","doi-asserted-by":"publisher","first-page":"157","DOI":"10.1590\/abd1806-4841.20153139","volume":"90","author":"AP Manzoni","year":"2015","unstructured":"Manzoni AP, Weber MB (2015) Skin changes after bariatric surgery. An Bras Dermatol 90(2):157\u2013166. https:\/\/doi.org\/10.1590\/abd1806-4841.20153139","journal-title":"An Bras Dermatol"},{"key":"2619_CR58","doi-asserted-by":"publisher","DOI":"10.1093\/cdn\/nzz056","author":"LM Bartholomay","year":"2019","unstructured":"Bartholomay LM, Berlin K, McInerney M, Garcia L (2019) Vitamin K status in women of childbearing years before or after bariatric surgery. Curr Dev Nutr. https:\/\/doi.org\/10.1093\/cdn\/nzz056","journal-title":"Curr Dev Nutr"},{"issue":"8","key":"2619_CR59","doi-asserted-by":"publisher","first-page":"1402","DOI":"10.1016\/j.soard.2019.05.031","volume":"15","author":"S Sherf-Dagan","year":"2019","unstructured":"Sherf-Dagan S, Goldenshluger A, Azran C, Sakran N, Sinai T, Ben-Porat T (2019) Vitamin K\u2014what is known regarding bariatric surgery patients: a systematic review. Surg Obes Relat Dis 15(8):1402\u20131413. https:\/\/doi.org\/10.1016\/j.soard.2019.05.031","journal-title":"Surg Obes Relat Dis"},{"issue":"2","key":"2619_CR60","doi-asserted-by":"publisher","first-page":"338","DOI":"10.1016\/j.soard.2015.09.021","volume":"12","author":"J Homan","year":"2016","unstructured":"Homan J, Ruinemans-Koerts J, Aarts EO, Janssen IMC, Berends FJ, de Boer H (2016) Management of vitamin K deficiency after biliopancreatic diversion with or without duodenal switch. Surg Obes Relat Dis 12(2):338\u2013344. https:\/\/doi.org\/10.1016\/j.soard.2015.09.021","journal-title":"Surg Obes Relat Dis"},{"key":"2619_CR61","doi-asserted-by":"publisher","first-page":"92","DOI":"10.1016\/j.ijscr.2016.01.016","volume":"20","author":"F Pardo-Aranda","year":"2016","unstructured":"Pardo-Aranda F, Perez-Romero N, Osorio J, Rodriguez-Santiago J, Munoz E, Puertolas N, Veloso E (2016) Wernicke\u2019s encephalopathy after sleeve gastrectomy: literature review. Int J Surg Case Rep 20:92\u201395. https:\/\/doi.org\/10.1016\/j.ijscr.2016.01.016","journal-title":"Int J Surg Case Rep"},{"issue":"1","key":"2619_CR62","first-page":"20","volume":"10","author":"BH Klick","year":"2013","unstructured":"Klick BH (2013) Thiamine deficiency in the bariatric surgery patient\u2014a multidisciplinary challenge in the clinic and the community. Bariatr Times 10(1):20\u201321","journal-title":"Bariatr Times"},{"issue":"7","key":"2619_CR63","doi-asserted-by":"publisher","first-page":"2060","DOI":"10.1007\/s11695-018-3262-4","volume":"28","author":"E Oudman","year":"2018","unstructured":"Oudman E, Wijnia JW, van Dam M, Biter LU, Postma A (2018) Preventing Wernicke encephalopathy after bariatric surgery. Obes Surg 28(7):2060\u20132068. https:\/\/doi.org\/10.1007\/s11695-018-3262-4","journal-title":"Obes Surg"},{"issue":"2","key":"2619_CR64","doi-asserted-by":"publisher","first-page":"135","DOI":"10.4021\/jocmr726w","volume":"4","author":"EP Hansen","year":"2012","unstructured":"Hansen EP, Metzsche C, Henningsen E, Toft P (2012) Severe scurvy after gastric bypass surgery and a poor postoperative diet. J Clin Med Res 4(2):135\u2013137. https:\/\/doi.org\/10.4021\/jocmr726w","journal-title":"J Clin Med Res"},{"issue":"1","key":"2619_CR65","doi-asserted-by":"publisher","first-page":"5","DOI":"10.1007\/s11940-015-0383-0","volume":"18","author":"SJ Concors","year":"2016","unstructured":"Concors SJ, Ecker BL, Maduka R, Furukawa A, Raper SE, Dempsey DD, Williams NN, Dumon KR (2016) Complications and surveillance after bariatric surgery. Curr Treat Options Neurol 18(1):5. https:\/\/doi.org\/10.1007\/s11940-015-0383-0","journal-title":"Curr Treat Options Neurol"},{"issue":"4","key":"2619_CR66","doi-asserted-by":"publisher","first-page":"495","DOI":"10.1016\/j.jtemb.2014.06.015","volume":"28","author":"JH Freeland-Graves","year":"2014","unstructured":"Freeland-Graves JH, Lee JJ, Mousa TY, Elizondo JJ (2014) Patients at risk for trace element deficiencies: bariatric surgery. J Trace Elem Med Biol 28(4):495\u2013503. https:\/\/doi.org\/10.1016\/j.jtemb.2014.06.015","journal-title":"J Trace Elem Med Biol"},{"key":"2619_CR67","doi-asserted-by":"publisher","first-page":"57","DOI":"10.1016\/j.bonr.2018.02.002","volume":"8","author":"K Corbeels","year":"2018","unstructured":"Corbeels K, Verlinden L, Lannoo M, Simoens C, Matthys C, Verstuyf A, Meulemans A, Carmeliet G, Van der Schueren B (2018) Thin bones: Vitamin D and calcium handling after bariatric surgery. Bone Rep 8:57\u201363. https:\/\/doi.org\/10.1016\/j.bonr.2018.02.002","journal-title":"Bone Rep"},{"issue":"11","key":"2619_CR68","doi-asserted-by":"publisher","first-page":"1660","DOI":"10.1007\/s11695-012-0680-6","volume":"22","author":"A Freeth","year":"2012","unstructured":"Freeth A, Prajuabpansri P, Victory JM, Jenkins P (2012) Assessment of selenium in Roux-en-Y gastric bypass and gastric banding surgery. Obes Surg 22(11):1660\u20131665. https:\/\/doi.org\/10.1007\/s11695-012-0680-6","journal-title":"Obes Surg"},{"key":"2619_CR69","volume-title":"Biochemistry, iron absorption","author":"T Ems","year":"2020","unstructured":"Ems T, St Lucia K, Huecker MR (2020) Biochemistry, iron absorption. StatPearls, Treasure Island"},{"issue":"2","key":"2619_CR70","doi-asserted-by":"publisher","first-page":"369","DOI":"10.1007\/s11695-017-2858-4","volume":"28","author":"RA Mischler","year":"2018","unstructured":"Mischler RA, Armah SM, Craig BA, Rosen AD, Banerjee A, Selzer DJ, Choi JN, Gletsu-Miller N (2018) Comparison of oral iron supplement formulations for normalization of iron status following Roux-EN-y gastric bypass surgery: a randomized trial. Obes Surg 28(2):369\u2013377. https:\/\/doi.org\/10.1007\/s11695-017-2858-4","journal-title":"Obes Surg"},{"issue":"9","key":"2619_CR71","doi-asserted-by":"publisher","first-page":"1222","DOI":"10.1381\/0960892042386959","volume":"14","author":"F Diniz Mde","year":"2004","unstructured":"Diniz Mde F, Diniz MT, Sanches SR, Salgado PP, Valadao MM, Araujo FC, Martins DS, Rocha AL (2004) Elevated serum parathormone after Roux-en-Y gastric bypass. Obes Surg 14(9):1222\u20131226. https:\/\/doi.org\/10.1381\/0960892042386959","journal-title":"Obes Surg"},{"issue":"8","key":"2619_CR72","doi-asserted-by":"publisher","first-page":"1106","DOI":"10.1016\/j.gassur.2005.07.012","volume":"9","author":"JM Johnson","year":"2005","unstructured":"Johnson JM, Maher JW, Samuel I, Heitshusen D, Doherty C, Downs RW (2005) Effects of gastric bypass procedures on bone mineral density, calcium, parathyroid hormone, and vitamin D. J Gastrointest Surg 9(8):1106\u20131110. https:\/\/doi.org\/10.1016\/j.gassur.2005.07.012 (discussion 1110-1101)","journal-title":"J Gastrointest Surg"},{"issue":"40","key":"2619_CR73","doi-asserted-by":"publisher","first-page":"20849","DOI":"10.1074\/jbc.R116.735894","volume":"291","author":"E Carafoli","year":"2016","unstructured":"Carafoli E, Krebs J (2016) Why calcium? How calcium became the best communicator. J Biol Chem 291(40):20849\u201320857. https:\/\/doi.org\/10.1074\/jbc.R116.735894","journal-title":"J Biol Chem"},{"issue":"2","key":"2619_CR74","doi-asserted-by":"publisher","first-page":"110","DOI":"10.1007\/s11926-008-0020-y","volume":"10","author":"N Khazai","year":"2008","unstructured":"Khazai N, Judd SE, Tangpricha V (2008) Calcium and vitamin D: skeletal and extraskeletal health. Curr Rheumatol Rep 10(2):110\u2013117. https:\/\/doi.org\/10.1007\/s11926-008-0020-y","journal-title":"Curr Rheumatol Rep"},{"key":"2619_CR75","doi-asserted-by":"publisher","DOI":"10.1080\/10408398.2021.1910481","author":"A Gasmi","year":"2021","unstructured":"Gasmi A, Bjorklund G, Peana M, Mujawdiya PK, Pivina L, Ongenae A, Piscopo S, Severin B (2021) Phosphocalcic metabolism and the role of vitamin D, vitamin K2, and nattokinase supplementation. Crit Rev Food Sci Nutr. https:\/\/doi.org\/10.1080\/10408398.2021.1910481","journal-title":"Crit Rev Food Sci Nutr"},{"issue":"11","key":"2619_CR76","doi-asserted-by":"publisher","first-page":"1980","DOI":"10.1038\/oby.2009.237","volume":"17","author":"B Ernst","year":"2009","unstructured":"Ernst B, Thurnheer M, Schultes B (2009) Copper deficiency after gastric bypass surgery. Obesity (Silver Spring) 17(11):1980\u20131981. https:\/\/doi.org\/10.1038\/oby.2009.237","journal-title":"Obesity (Silver Spring)"},{"issue":"12","key":"2619_CR77","doi-asserted-by":"publisher","first-page":"1660","DOI":"10.1007\/s11695-010-0237-5","volume":"20","author":"A Salle","year":"2010","unstructured":"Salle A, Demarsy D, Poirier AL, Lelievre B, Topart P, Guilloteau G, Becouarn G, Rohmer V (2010) Zinc deficiency: a frequent and underestimated complication after bariatric surgery. Obes Surg 20(12):1660\u20131670. https:\/\/doi.org\/10.1007\/s11695-010-0237-5","journal-title":"Obes Surg"},{"issue":"2","key":"2619_CR78","doi-asserted-by":"publisher","first-page":"145","DOI":"10.1055\/s-0038-1666848","volume":"28","author":"M Yahalom","year":"2019","unstructured":"Yahalom M, Koren O, Rozner E, Turgeman Y (2019) Cardiomyopathy associated with zinc deficiency after bariatric surgery. Int J Angiol 28(2):145\u2013146. https:\/\/doi.org\/10.1055\/s-0038-1666848","journal-title":"Int J Angiol"},{"key":"2619_CR79","doi-asserted-by":"publisher","first-page":"167","DOI":"10.1016\/j.jtemb.2014.09.005","volume":"31","author":"D Papamargaritis","year":"2015","unstructured":"Papamargaritis D, Aasheim ET, Sampson B, le Roux CW (2015) Copper, selenium and zinc levels after bariatric surgery in patients recommended to take multivitamin-mineral supplementation. J Trace Elem Med Biol 31:167\u2013172. https:\/\/doi.org\/10.1016\/j.jtemb.2014.09.005","journal-title":"J Trace Elem Med Biol"},{"issue":"11\u201312","key":"2619_CR80","doi-asserted-by":"publisher","first-page":"1031","DOI":"10.1016\/j.nut.2009.12.003","volume":"26","author":"P Shankar","year":"2010","unstructured":"Shankar P, Boylan M, Sriram K (2010) Micronutrient deficiencies after bariatric surgery. Nutrition 26(11\u201312):1031\u20131037. https:\/\/doi.org\/10.1016\/j.nut.2009.12.003","journal-title":"Nutrition"},{"issue":"11","key":"2619_CR81","doi-asserted-by":"publisher","first-page":"2125","DOI":"10.1007\/s11695-015-1676-9","volume":"25","author":"AT Billeter","year":"2015","unstructured":"Billeter AT, Probst P, Fischer L, Senft J, Kenngott HG, Schulte T, Clemens G, Zech U, B\u00fcchler MW, Nawroth PP, M\u00fcller-Stich BP (2015) Risk of malnutrition, trace metal, and vitamin deficiency post Roux-en-Y gastric bypass\u2014a prospective study of 20 patients with BMI <35 kg\/m2. Obes Surg 25(11):2125\u20132134. https:\/\/doi.org\/10.1007\/s11695-015-1676-9","journal-title":"Obes Surg"},{"issue":"2","key":"2619_CR82","doi-asserted-by":"publisher","DOI":"10.1016\/j.disamonth.2019.06.008","volume":"66","author":"S Mohapatra","year":"2020","unstructured":"Mohapatra S, Gangadharan K, Pitchumoni CS (2020) Malnutrition in obesity before and after bariatric surgery. Dis Mon 66(2):100866. https:\/\/doi.org\/10.1016\/j.disamonth.2019.06.008","journal-title":"Dis Mon"},{"key":"2619_CR83","doi-asserted-by":"publisher","first-page":"120","DOI":"10.1016\/j.jinorgbio.2019.03.013","volume":"195","author":"MA Zoroddu","year":"2019","unstructured":"Zoroddu MA, Aaseth J, Crisponi G, Medici S, Peana M, Nurchi VM (2019) The essential metals for humans: a brief overview. J Inorg Biochem 195:120\u2013129. https:\/\/doi.org\/10.1016\/j.jinorgbio.2019.03.013","journal-title":"J Inorg Biochem"},{"issue":"11","key":"2619_CR84","doi-asserted-by":"publisher","first-page":"3743","DOI":"10.1007\/s11695-019-04148-0","volume":"29","author":"M Hassan Zadeh","year":"2019","unstructured":"Hassan Zadeh M, Mohammadi Farsani G, Zamaninour N (2019) Selenium status after Roux-en-Y Gastric bypass: interventions and recommendations. Obes Surg 29(11):3743\u20133748. https:\/\/doi.org\/10.1007\/s11695-019-04148-0","journal-title":"Obes Surg"},{"issue":"1","key":"2619_CR85","doi-asserted-by":"publisher","first-page":"81","DOI":"10.1016\/j.soard.2008.06.007","volume":"5","author":"KP Riess","year":"2009","unstructured":"Riess KP, Farnen JP, Lambert PJ, Mathiason MA, Kothari SN (2009) Ascorbic acid deficiency in bariatric surgical population. Surg Obes Relat Dis 5(1):81\u201386. https:\/\/doi.org\/10.1016\/j.soard.2008.06.007","journal-title":"Surg Obes Relat Dis"},{"issue":"15","key":"2619_CR86","doi-asserted-by":"publisher","first-page":"3639","DOI":"10.1182\/bloodadvances.2020001880","volume":"4","author":"Z Gowanlock","year":"2020","unstructured":"Gowanlock Z, Lezhanska A, Conroy M, Crowther M, Tiboni M, Mbuagbaw L, Siegal DM (2020) Iron deficiency following bariatric surgery: a retrospective cohort study. Blood Adv 4(15):3639\u20133647. https:\/\/doi.org\/10.1182\/bloodadvances.2020001880","journal-title":"Blood Adv"},{"issue":"2","key":"2619_CR87","doi-asserted-by":"publisher","first-page":"217","DOI":"10.1177\/0884533609332174","volume":"24","author":"A von Drygalski","year":"2009","unstructured":"von Drygalski A, Andris DA (2009) Anemia after bariatric surgery: more than just iron deficiency. Nutr Clin Pract 24(2):217\u2013226. https:\/\/doi.org\/10.1177\/0884533609332174","journal-title":"Nutr Clin Pract"},{"issue":"7","key":"2619_CR88","doi-asserted-by":"publisher","first-page":"e293","DOI":"10.1016\/j.amjmed.2017.01.040","volume":"130","author":"A Velazquez","year":"2017","unstructured":"Velazquez A, Apovian CM, Istfan NW (2017) The complexities of iron deficiency in patients after bariatric surgery. Am J Med 130(7):e293\u2013e294. https:\/\/doi.org\/10.1016\/j.amjmed.2017.01.040","journal-title":"Am J Med"},{"issue":"10","key":"2619_CR89","doi-asserted-by":"publisher","first-page":"946","DOI":"10.18553\/jmcp.2015.21.10.946","volume":"21","author":"T Knight","year":"2015","unstructured":"Knight T, D\u2019Sylva L, Moore B, Barish CF (2015) Burden of iron deficiency anemia in a bariatric surgery population in the United States. J Manag Care Spec Pharm 21(10):946\u2013954. https:\/\/doi.org\/10.18553\/jmcp.2015.21.10.946","journal-title":"J Manag Care Spec Pharm"},{"issue":"6","key":"2619_CR90","doi-asserted-by":"publisher","first-page":"1013","DOI":"10.1016\/j.soard.2013.04.017","volume":"9","author":"S Majumder","year":"2013","unstructured":"Majumder S, Soriano J, Louie Cruz A, Dasanu CA (2013) Vitamin B12 deficiency in patients undergoing bariatric surgery: preventive strategies and key recommendations. Surg Obes Relat Dis 9(6):1013\u20131019. https:\/\/doi.org\/10.1016\/j.soard.2013.04.017","journal-title":"Surg Obes Relat Dis"},{"issue":"1","key":"2619_CR91","doi-asserted-by":"publisher","first-page":"26","DOI":"10.4103\/2347-2618.158698","volume":"3","author":"RSK Shil","year":"2015","unstructured":"Shil RSK, Alomar AF, Farooqui MR (2015) Ataxia and weakness after sleeve gastrectomy. Saudi J Obesity 3(1):26","journal-title":"Saudi J Obesity"},{"issue":"5","key":"2619_CR92","doi-asserted-by":"publisher","first-page":"466","DOI":"10.1177\/000313481408000517","volume":"80","author":"J Ruiz-Tovar","year":"2014","unstructured":"Ruiz-Tovar J, Oller I, Llavero C, Zubiaga L, Diez M, Arroyo A, Calero A, Calpena R (2014) Hair loss in females after sleeve gastrectomy: predictive value of serum zinc and iron levels. Am Surg 80(5):466\u2013471","journal-title":"Am Surg"},{"issue":"5","key":"2619_CR93","doi-asserted-by":"publisher","first-page":"1891","DOI":"10.1007\/s11695-020-04412-8","volume":"30","author":"S Ledoux","year":"2020","unstructured":"Ledoux S, Flamant M, Calabrese D, Bogard C, Sami O, Coupaye M (2020) What are the micronutrient deficiencies responsible for the most common nutritional symptoms after bariatric surgery? Obes Surg 30(5):1891\u20131897. https:\/\/doi.org\/10.1007\/s11695-020-04412-8","journal-title":"Obes Surg"},{"issue":"11","key":"2619_CR94","doi-asserted-by":"publisher","first-page":"3722","DOI":"10.1007\/s11695-019-04093-y","volume":"29","author":"C Ciangura","year":"2019","unstructured":"Ciangura C, Coupaye M, Deruelle P, Gascoin G, Calabrese D, Cosson E, Ducarme G, Gaborit B, Lelievre B, Mandelbrot L, Petrucciani N, Quilliot D, Ritz P, Robin G, Salle A, Gugenheim J, Nizard J (2019) Clinical practice guidelines for childbearing female candidates for bariatric surgery, pregnancy, and post-partum management after bariatric surgery. Obes Surg 29(11):3722\u20133734. https:\/\/doi.org\/10.1007\/s11695-019-04093-y","journal-title":"Obes Surg"},{"issue":"6","key":"2619_CR95","doi-asserted-by":"publisher","first-page":"356","DOI":"10.1053\/j.semperi.2011.05.022","volume":"35","author":"MA Kominiarek","year":"2011","unstructured":"Kominiarek MA (2011) Preparing for and managing a pregnancy after bariatric surgery. Semin Perinatol 35(6):356\u2013361. https:\/\/doi.org\/10.1053\/j.semperi.2011.05.022","journal-title":"Semin Perinatol"},{"issue":"8","key":"2619_CR96","doi-asserted-by":"publisher","first-page":"3001","DOI":"10.1007\/s11695-020-04643-9","volume":"30","author":"A Bronnimann","year":"2020","unstructured":"Bronnimann A, Jung MK, Niclauss N, Hagen ME, Toso C, Buchs NC (2020) The impact of pregnancy on outcomes after bariatric surgery. Obes Surg 30(8):3001\u20133009. https:\/\/doi.org\/10.1007\/s11695-020-04643-9","journal-title":"Obes Surg"},{"issue":"11","key":"2619_CR97","doi-asserted-by":"publisher","first-page":"1507","DOI":"10.1111\/obr.12927","volume":"20","author":"J Shawe","year":"2019","unstructured":"Shawe J, Ceulemans D, Akhter Z, Neff K, Hart K, Heslehurst N, Stotl I, Agrawal S, Steegers-Theunissen R, Taheri S, Greenslade B, Rankin J, Huda B, Douek I, Galjaard S, Blumenfeld O, Robinson A, Whyte M, Mathews E, Devlieger R (2019) Pregnancy after bariatric surgery: consensus recommendations for periconception, antenatal and postnatal care. Obes Rev 20(11):1507\u20131522. https:\/\/doi.org\/10.1111\/obr.12927","journal-title":"Obes Rev"},{"key":"2619_CR98","doi-asserted-by":"publisher","first-page":"4587064","DOI":"10.1155\/2018\/4587064","volume":"2018","author":"J Harreiter","year":"2018","unstructured":"Harreiter J, Schindler K, Bancher-Todesca D, Gobl C, Langer F, Prager G, Gessl A, Leutner M, Ludvik B, Luger A, Kautzky-Willer A, Krebs M (2018) Management of pregnant women after bariatric surgery. J Obes 2018:4587064. https:\/\/doi.org\/10.1155\/2018\/4587064","journal-title":"J Obes"},{"issue":"7","key":"2619_CR99","first-page":"905","volume":"81","author":"C Armstrong","year":"2010","unstructured":"Armstrong C (2010) ACOG guidelines on pregnancy after bariatric surgery. Am Fam Physician 81(7):905","journal-title":"Am Fam Physician"},{"issue":"Suppl 1","key":"2619_CR100","doi-asserted-by":"publisher","first-page":"S1","DOI":"10.1038\/oby.2009.28","volume":"17","author":"JI Mechanick","year":"2009","unstructured":"Mechanick JI, Kushner RF, Sugerman HJ, Gonzalez-Campoy JM, Collazo-Clavell ML, Spitz AF, Apovian CM, Livingston EH, Brolin R, Sarwer DB, Anderson WA, Dixon J, Guven S (2009) American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic and Bariatric Surgery medical guidelines for clinical practice for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient. Obesity (Silver Spring) 17(Suppl 1):S1\u2013S70. https:\/\/doi.org\/10.1038\/oby.2009.28","journal-title":"Obesity (Silver Spring)"},{"issue":"9","key":"2619_CR101","doi-asserted-by":"publisher","first-page":"1251","DOI":"10.1007\/s11695-010-0199-7","volume":"20","author":"A Lapolla","year":"2010","unstructured":"Lapolla A, Marangon M, Dalfra MG, Segato G, De Luca M, Fedele D, Favretti F, Enzi G, Busetto L (2010) Pregnancy outcome in morbidly obese women before and after laparoscopic gastric banding. Obes Surg 20(9):1251\u20131257. https:\/\/doi.org\/10.1007\/s11695-010-0199-7","journal-title":"Obes Surg"},{"issue":"6","key":"2619_CR102","doi-asserted-by":"publisher","first-page":"1405","DOI":"10.1097\/AOG.0b013e3181ac0544","volume":"113","author":"ACOG","year":"2009","unstructured":"ACOG (2009) Practice bulletin no. 105: bariatric surgery and pregnancy. Obstet Gynecol 113(6):1405\u20131413. https:\/\/doi.org\/10.1097\/AOG.0b013e3181ac0544","journal-title":"Obstet Gynecol"}],"container-title":["European Journal of Nutrition"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00394-021-02619-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00394-021-02619-8\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00394-021-02619-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,1,22]],"date-time":"2022-01-22T14:06:20Z","timestamp":1642860380000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00394-021-02619-8"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7,23]]},"references-count":102,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2022,2]]}},"alternative-id":["2619"],"URL":"https:\/\/doi.org\/10.1007\/s00394-021-02619-8","relation":{},"ISSN":["1436-6207","1436-6215"],"issn-type":[{"value":"1436-6207","type":"print"},{"value":"1436-6215","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,7,23]]},"assertion":[{"value":"23 December 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"9 June 2021","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"23 July 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}