{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T02:25:54Z","timestamp":1792290354427,"version":"4.4.0"},"reference-count":61,"publisher":"Ovid Technologies (Wolters Kluwer Health)","license":[{"start":{"date-parts":[[2018,3,1]],"date-time":"2018-03-01T00:00:00Z","timestamp":1519862400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2018,1,25]],"date-time":"2018-01-25T00:00:00Z","timestamp":1516838400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["annalsjournal.com","clinicalkey.jp","clinicalkey.com","clinicalkey.es","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Annals of Medicine and Surgery"],"published-print":{"date-parts":[[2018,3]]},"DOI":"10.1016\/j.amsu.2018.01.004","type":"journal-article","created":{"date-parts":[[2018,1,31]],"date-time":"2018-01-31T18:42:12Z","timestamp":1517424132000},"page":"32-39","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":37,"special_numbering":"C","title":["A systematic review of gallstone sigmoid ileus management"],"prefix":"10.1097","volume":"27","author":[{"given":"Nicholas","family":"Farkas","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vasha","family":"Kaur","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arun","family":"Shanmuganandan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Black","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chantal","family":"Redon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam E.","family":"Frampton","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicholas","family":"West","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"10.1016\/j.amsu.2018.01.004_bib1","doi-asserted-by":"crossref","first-page":"1159","DOI":"10.2214\/AJR.04.1371","article-title":"Role of helical CT in diagnosis of gallstone ileus and related conditions","volume":"185","author":"Lassandro","year":"2005","journal-title":"AJR Am. J. Roentgenol. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib2","doi-asserted-by":"crossref","first-page":"17819","DOI":"10.3748\/wjg.v20.i47.17819","article-title":"Enterolithiasis","volume":"20","author":"Gurvits","year":"2014","journal-title":"World J. Gastroenterol. [Internet]"},{"issue":"6","key":"10.1016\/j.amsu.2018.01.004_bib3","first-page":"441","article-title":"Gallstone ileus - a review of 1001 reported cases","volume":"60","author":"Reisner","year":"1994","journal-title":"Am. Surg."},{"issue":"3","key":"10.1016\/j.amsu.2018.01.004_bib4","first-page":"273","article-title":"Gallstone obstruction of the intestine: an analysis of ten patients and a review of the literature","volume":"101","author":"Van Hillo","year":"1987","journal-title":"Surgery"},{"issue":"4","key":"10.1016\/j.amsu.2018.01.004_bib5","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1111\/j.1742-1241.1972.tb04413.x","article-title":"Colonic obstruction due to a gallstone","volume":"26","author":"Brown","year":"1972","journal-title":"Br. J. Clin. Pract."},{"issue":"825","key":"10.1016\/j.amsu.2018.01.004_bib6","doi-asserted-by":"crossref","first-page":"804","DOI":"10.1259\/0007-1285-69-825-804","article-title":"The clinical and radiological features of cholecystocolic fistulae","volume":"69","author":"Hession","year":"1996","journal-title":"Br. J. Radiol."},{"key":"10.1016\/j.amsu.2018.01.004_bib7","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2014-209229","article-title":"A novel surgical approach for treatment of sigmoid gallstone ileus","author":"Cargill","year":"2015","journal-title":"BMJ Case Rep."},{"key":"10.1016\/j.amsu.2018.01.004_bib8","doi-asserted-by":"crossref","first-page":"58","DOI":"10.1016\/j.ijscr.2017.09.009","article-title":"A single centre case series of gallstone sigmoid ileus management file:\/\/\/Users\/nickfarkas\/Downloads\/europepmc.ris.txt","volume":"40","author":"Farkas","year":"2017","journal-title":"Int. J. Surg. Case Rep. [Internet]"},{"issue":"5","key":"10.1016\/j.amsu.2018.01.004_bib9","doi-asserted-by":"crossref","first-page":"336","DOI":"10.1016\/j.ijsu.2010.02.007","article-title":"Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement","volume":"8","author":"Moher","year":"2018","journal-title":"Int. J. Surg. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib10","article-title":"Gallstone ileus and fatal gallstone coleus: the importance of the second stone","volume":"2013","author":"Vaughan-Shaw","year":"2013","journal-title":"BMJ Case Rep. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib11","doi-asserted-by":"crossref","DOI":"10.1136\/bcr.10.2008.1105","article-title":"Faecal peritonitis secondary to perforated recto sigmoid colon by a large gallstone: a case report","author":"Qureshi","year":"2009","journal-title":"BMJ Case Rep."},{"issue":"3","key":"10.1016\/j.amsu.2018.01.004_bib12","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1007\/s13304-011-0057-8","article-title":"Gallstone ileus of the sigmoid colon: a rare complication of cholelithiasis","volume":"63","author":"Zingales","year":"2011","journal-title":"Updates Surg. [Internet]"},{"issue":"3","key":"10.1016\/j.amsu.2018.01.004_bib13","doi-asserted-by":"crossref","first-page":"540","DOI":"10.1016\/j.surg.2004.03.013","article-title":"Gallstone ileus of the colon","volume":"138","author":"Ishikura","year":"2017","journal-title":"Surgery [Internet]"},{"issue":"12","key":"10.1016\/j.amsu.2018.01.004_bib14","doi-asserted-by":"crossref","first-page":"1295","DOI":"10.1016\/j.ijscr.2014.11.058","article-title":"Colonic perforation by a large gallstone: a rare case report","volume":"5","author":"Halleran","year":"2014","journal-title":"Int. J. Surg. Case Rep. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib15","article-title":"Gallstone ileus in an elderly patient: a case report","volume":"8","author":"Ertem","year":"2014","journal-title":"Hepatol. Int."},{"key":"10.1016\/j.amsu.2018.01.004_bib16","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2014-204402","article-title":"Colonic gallstone ileus: the rolling stones [Internet]","volume":"2014","author":"Heaney","year":"2014","journal-title":"BMJ Case Rep."},{"key":"10.1016\/j.amsu.2018.01.004_bib17","doi-asserted-by":"crossref","DOI":"10.1136\/bcr.09.2010.3372","article-title":"Large bowel and small bowel obstruction due to gallstones in the same patient","volume":"2011","author":"Ranga","year":"2011","journal-title":"BMJ Case Rep."},{"issue":"1","key":"10.1016\/j.amsu.2018.01.004_bib18","first-page":"55","article-title":"A case of gallstone ileus with an unusual impaction site and spontaneous evacuation","volume":"50","author":"Anagnostopoulos","year":"2004","journal-title":"J. Postgrad. Med."},{"key":"10.1016\/j.amsu.2018.01.004_bib19","article-title":"Sigmoid gallstone ileus: a rare cause of large bowel obstruction","volume":"2010","author":"Ventham","year":"2010","journal-title":"BMJ Case Rep. [Internet]"},{"issue":"7","key":"10.1016\/j.amsu.2018.01.004_bib20","doi-asserted-by":"crossref","first-page":"776","DOI":"10.1067\/mge.2001.115013","article-title":"Gallstone impaction in the colon as a result of a biliary-colonic fistula","volume":"53","author":"Maltz","year":"2001","journal-title":"Gastrointest. Endosc. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib21","article-title":"Gallstone ileus of the sigmoid colon: an extremely rare cause of large bowel obstruction detected by multiplanar CT","volume":"18","author":"Carlsson","year":"2015","journal-title":"BMJ Case Rep. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib22","article-title":"Enterolithotomy for the treatment of large bowel obstruction secondary to gallstones","volume":"19","author":"Swarbrick","year":"2014","journal-title":"BMJ Case Rep. [Internet]"},{"issue":"4","key":"10.1016\/j.amsu.2018.01.004_bib23","doi-asserted-by":"crossref","first-page":"11","DOI":"10.5348\/ijcri-2011-04-28-CR-3","article-title":"Endoscopic laser lithotripsy for gallstone large bowel obstruction","volume":"2","author":"Alkhusheh","year":"2011","journal-title":"Int. J. Case Rep. Images"},{"issue":"4","key":"10.1016\/j.amsu.2018.01.004_bib24","doi-asserted-by":"crossref","first-page":"A20","DOI":"10.1016\/j.cgh.2008.07.034","article-title":"Unusual cause of colonic obstruction: gallstone impaction requiring mechanical lithotripsy","volume":"7","author":"Reiss","year":"2009","journal-title":"Clin. Gastroenterol. Hepatol."},{"key":"10.1016\/j.amsu.2018.01.004_bib25","first-page":"36","article-title":"Large bowel obstruction due to gallstone:\u201cgallstone coleus.\u201d","volume":"7","author":"Doddi","year":"2007","journal-title":"Gd. Rounds"},{"key":"10.1016\/j.amsu.2018.01.004_bib26","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2013-201652","article-title":"Large bowel obstruction due to gallstones: an endoscopic problem?","volume":"2014","author":"Waterland","year":"2014","journal-title":"BMJ Case Rep."},{"issue":"7","key":"10.1016\/j.amsu.2018.01.004_bib27","doi-asserted-by":"crossref","DOI":"10.1093\/jscr\/rju042","article-title":"What to do with a non-rolling stone? Surgical on-table dilemma in large bowel obstruction due to an impacted gallstone","volume":"2014","author":"Das","year":"2014","journal-title":"J. Surg. Case Rep."},{"key":"10.1016\/j.amsu.2018.01.004_bib28","doi-asserted-by":"crossref","unstructured":"J.W. O'Brien, L.A. Webb, L. Evans, C. Speakman, I. Shaikh. Gallstone Ileus Caused by Cholecystocolonic Fistula and Gallstone Impaction in the Sigmoid Colon: Review of the Literature and Novel Surgical Treatment with Trephine Loop Colostomy. Case Rep. Gastroenterol. [Internet]. Allschwilerstrasse 10, P.O. Box \u00b7 Postfach \u00b7 Case postale, CH\u20134009, Basel, Switzerland \u00b7 Schweiz \u00b7 Suisse, Phone: +41 61 306 11 11, Fax: +41 61 306 12 34, karger@karger.ch: S. Karger AG; 2017 Mar 3;11(1):95\u2013102. Available from: http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5465712\/.","DOI":"10.1159\/000456656"},{"key":"10.1016\/j.amsu.2018.01.004_bib29","article-title":"Gallstone ileus of the colon: leave No stone unturned","volume":"2013","author":"Salemans","year":"2013","journal-title":"Case Rep. Surg. [Internet]"},{"issue":"12","key":"10.1016\/j.amsu.2018.01.004_bib30","doi-asserted-by":"crossref","first-page":"1533","DOI":"10.3748\/wjg.v16.i12.1533","article-title":"Successful endoscopic treatment of colonic gallstone ileus using electrohydraulic lithotripsy","volume":"16","author":"Zielinski","year":"2010","journal-title":"World J. Gastroenterol. WJG"},{"key":"10.1016\/j.amsu.2018.01.004_bib31","article-title":"Large bowel obstruction due to a big gallstone successfully treated with endoscopic mechanical lithotripsy","volume":"2015","author":"Balzarini","year":"2015","journal-title":"Case Rep. Gastrointest. Med."},{"issue":"Suppl 2","key":"10.1016\/j.amsu.2018.01.004_bib32","article-title":"Colonic gallstone ileus treated with radiologically guided extracorporeal shock wave lithotripsy followed by endoscopic extraction","volume":"44","author":"Muratori","year":"2012","journal-title":"Endoscopy. Germany"},{"issue":"1","key":"10.1016\/j.amsu.2018.01.004_bib33","doi-asserted-by":"crossref","DOI":"10.5334\/jbr-btr.107","article-title":"Cholecystocolonic fistula complicated by gallstone impaction and perforation of the sigmoid","volume":"93","author":"Schoofs","year":"2010","journal-title":"J. Belgian Soc. Radiol."},{"issue":"1","key":"10.1016\/j.amsu.2018.01.004_bib34","first-page":"63","article-title":"Gallstone impacted in the rectosigmoid junction causing a biliary ileus and a sigmoid perforation","volume":"94","author":"Van Kerschaver","year":"2008","journal-title":"Int. Surg."},{"key":"10.1016\/j.amsu.2018.01.004_bib35","article-title":"Rectosigmoid gallstone coleus: a rare emergency presentation","volume":"2013","author":"Ball","year":"2013","journal-title":"BMJ Case Rep. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib36","series-title":"American Journal of Gastroenterology","article-title":"Deadly gallstone!","author":"Patel","year":"2012"},{"key":"10.1016\/j.amsu.2018.01.004_bib37","article-title":"Large bowel obstruction due to impaction of a gallstone","volume":"2012","author":"Athwal","year":"2012","journal-title":"BMJ Case Rep. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib38","doi-asserted-by":"crossref","first-page":"701","DOI":"10.1007\/s11605-010-1387-4","article-title":"Gallstone ileus causing perforation of the sigmoid colon","volume":"15","author":"D'Hondt","year":"2011","journal-title":"J. Gastrointest. Surg. [Internet]"},{"key":"10.1016\/j.amsu.2018.01.004_bib39","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1155\/2010\/153740","article-title":"Gallstone ileus of the sigmoid colon: an unusual cause of large-bowel obstruction","volume":"2010","author":"Osman","year":"2010","journal-title":"HPB Surg."},{"key":"10.1016\/j.amsu.2018.01.004_bib40","first-page":"573","article-title":"Gallstone ileus: a rare cause of colon obstruction. Report of a case","volume":"60","author":"Valeri","year":"2008","journal-title":"Chir. Ital. [Internet]"},{"issue":"4","key":"10.1016\/j.amsu.2018.01.004_bib41","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1097\/SLE.0b013e3181e1abb7","article-title":"Two-stage minimally invasive surgical management of colonic gallstone ileus","volume":"20","author":"Lujan","year":"2010","journal-title":"Surg. Laparosc. Endosc. Percutan. Tech. United States"},{"issue":"1","key":"10.1016\/j.amsu.2018.01.004_bib42","doi-asserted-by":"crossref","first-page":"154","DOI":"10.1016\/S1072-7515(02)01601-0","article-title":"Colonic gallstone ileus","volume":"196","author":"Stewart","year":"2017","journal-title":"J. Am. Coll. Surg. [Internet]"},{"issue":"4","key":"10.1016\/j.amsu.2018.01.004_bib43","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1111\/j.1445-2197.2008.04453.x","article-title":"Gallstone ileus of the colon: a rare surgical emergency","volume":"78","author":"Versaci","year":"2008","journal-title":"ANZ J. Surg. [Internet]"},{"issue":"6","key":"10.1016\/j.amsu.2018.01.004_bib44","first-page":"431","article-title":"Gallstone ileus and intestinal perforation secondary to sigmoid diverticulum","volume":"106","author":"Mon-Mart\u00edn","year":"2014","journal-title":"Rev. Esp. Enferm. Dig. [Internet]"},{"issue":"11","key":"10.1016\/j.amsu.2018.01.004_bib45","doi-asserted-by":"crossref","first-page":"1037","DOI":"10.1016\/j.bbalip.2009.06.006","article-title":"New insights into the molecular mechanisms underlying effects of estrogen on cholesterol gallstone formation","volume":"1791","author":"Wang","year":"2009","journal-title":"Biochim. Biophys. Acta [Internet]"},{"issue":"2","key":"10.1016\/j.amsu.2018.01.004_bib46","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1007\/s11894-005-0051-8","article-title":"Epidemiology and risk factors for gallstone disease: has the paradigm changed in the 21st century?","volume":"7","author":"Shaffer","year":"2005","journal-title":"Curr. Gastroenterol. Rep."},{"issue":"1","key":"10.1016\/j.amsu.2018.01.004_bib47","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1007\/s00534-008-0014-1","article-title":"Cholecystocolonic fistula: facts and myths. A review of the 231 published cases","volume":"16","author":"Costi","year":"2009","journal-title":"J. Hepatobiliary Pancreat. Surg."},{"issue":"10","key":"10.1016\/j.amsu.2018.01.004_bib48","doi-asserted-by":"crossref","first-page":"E1","DOI":"10.1111\/j.1532-5415.2012.04188.x","article-title":"Guiding principles for the care of older adults with multimorbidity: an approach for clinicians","volume":"60","author":"Ickowicz","year":"2012","journal-title":"J. Am. Geriatr. Soc."},{"issue":"9868","key":"10.1016\/j.amsu.2018.01.004_bib49","doi-asserted-by":"crossref","first-page":"752","DOI":"10.1016\/S0140-6736(12)62167-9","article-title":"Frailty in elderly people","volume":"381","author":"Clegg","year":"2013","journal-title":"Lancet"},{"issue":"8","key":"10.1016\/j.amsu.2018.01.004_bib50","doi-asserted-by":"crossref","first-page":"1110","DOI":"10.1007\/s10350-004-7288-4","article-title":"Population-based incidence of complicated diverticular disease of the sigmoid colon based on gender and age","volume":"46","author":"McConnell","year":"2003","journal-title":"Dis. Colon Rectum"},{"issue":"8","key":"10.1016\/j.amsu.2018.01.004_bib51","doi-asserted-by":"crossref","first-page":"487","DOI":"10.1155\/2007\/520431","article-title":"The difficult colonoscopy","volume":"21","author":"Witte","year":"2007","journal-title":"Can. J. Gastroenterol."},{"issue":"2","key":"10.1016\/j.amsu.2018.01.004_bib52","first-page":"166","article-title":"Laparoscopic surgery for diverticular disease complicated by fistulae","volume":"10","author":"Nguyen","year":"2006","journal-title":"JSLS J. Soc. Laparoendosc. Surg."},{"issue":"9409","key":"10.1016\/j.amsu.2018.01.004_bib53","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1016\/S0140-6736(04)15597-9","article-title":"Diverticular disease of the colon","volume":"363","author":"Stollman","year":"2004","journal-title":"Lancet"},{"issue":"6","key":"10.1016\/j.amsu.2018.01.004_bib54","doi-asserted-by":"crossref","first-page":"1294","DOI":"10.1007\/s00268-007-9011-9","article-title":"Gallstone ileus: diagnosis and management","volume":"31","author":"Ayantunde","year":"2007","journal-title":"World J. Surg. [Internet]"},{"issue":"4","key":"10.1016\/j.amsu.2018.01.004_bib55","doi-asserted-by":"crossref","first-page":"425","DOI":"10.3748\/wjg.v16.i4.425","article-title":"Colonoscopic perforation: incidence, risk factors, management and outcome","volume":"16","author":"Lohsiriwat","year":"2010","journal-title":"World J. Gastroenterol. [Internet]"},{"issue":"7","key":"10.1016\/j.amsu.2018.01.004_bib56","doi-asserted-by":"crossref","first-page":"869","DOI":"10.1016\/j.gassur.2004.08.002","article-title":"The benefits of a dedicated minimally invasive surgery program to academic general surgery practice","volume":"8","author":"Glasgow","year":"2004","journal-title":"J. Gastrointest. Surg."},{"issue":"11","key":"10.1016\/j.amsu.2018.01.004_bib57","doi-asserted-by":"crossref","first-page":"1889","DOI":"10.1007\/s10350-004-0688-7","article-title":"Large bowel obstruction: predictive factors for postoperative mortality","volume":"47","author":"Biondo","year":"2004","journal-title":"Dis. Colon Rectum"},{"issue":"s1","key":"10.1016\/j.amsu.2018.01.004_bib58","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1111\/anae.12493","article-title":"Should general anaesthesia be avoided in the elderly?","volume":"69","author":"Str\u00f8m","year":"2014","journal-title":"Anaesthesia"},{"issue":"5","key":"10.1016\/j.amsu.2018.01.004_bib59","doi-asserted-by":"crossref","first-page":"773","DOI":"10.1007\/s00464-002-8529-z","article-title":"Laparoscopic cholecystectomy in octogenarians","volume":"17","author":"Hazzan","year":"2003","journal-title":"Surg. Endosc. Other Interv. Tech."},{"issue":"1","key":"10.1016\/j.amsu.2018.01.004_bib60","first-page":"75","article-title":"Open cholecystectomy: its morbidity and mortality as a reference standard","volume":"36","author":"Girard","year":"1993","journal-title":"Can. J. Surg."},{"issue":"2","key":"10.1016\/j.amsu.2018.01.004_bib61","first-page":"22","article-title":"Laparoscopic cholecystectomy in patients over 80 years is feasible and safe: analysis of 68 consecutive cases","volume":"2","author":"Dennis","year":"2009","journal-title":"World"}],"container-title":["Annals of Medicine and Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2049080118300098?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2049080118300098?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2023,8,31]],"date-time":"2023-08-31T19:58:51Z","timestamp":1693511931000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2049080118300098"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,3]]},"references-count":61,"alternative-id":["S2049080118300098"],"URL":"https:\/\/doi.org\/10.1016\/j.amsu.2018.01.004","relation":{},"ISSN":["2049-0801"],"issn-type":[{"value":"2049-0801","type":"print"}],"subject":[],"published":{"date-parts":[[2018,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A systematic review of gallstone sigmoid ileus management","name":"articletitle","label":"Article Title"},{"value":"Annals of Medicine and Surgery","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.amsu.2018.01.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2018 The Authors. Published by Elsevier Ltd on behalf of IJS Publishing Group Ltd.","name":"copyright","label":"Copyright"}]}}