{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T00:53:20Z","timestamp":1780361600027,"version":"3.54.1"},"reference-count":84,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2022,2,14]],"date-time":"2022-02-14T00:00:00Z","timestamp":1644796800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>(1) Background: Vitamin D status has never been investigated in children in Northern Ireland (UK). (2) Methods: Children (4\u201311 years) (n = 47) were recruited from November 2019 to March 2020 onto the cross-sectional study. Anthropometry was assessed. Plasma 25-hydroxyvitamin D (25(OH)D) was analysed. Vitamin D intake, parental knowledge and perceptions, participant habits, physical activity and sedentary behaviour were established via questionnaire. Muscle strength was assessed via isometric grip strength dynamometry and balance via dominant single-leg and tandem stance. Parathyroid hormone, bone turnover markers (OC, CTX and P1NP), glycated haemoglobin and inflammatory markers (CRP, IFN-\u03b3, IL-10, IL-12p70, IL-13, IL-1\u03b2, IL-2, IL-4, IL-6, IL-8 and TNF-\u03b1) were analysed. (3) Results: Mean (SD) 25(OH)D was 49.17 (17.04) nmol\/L (n = 47); 44.7% of the children were vitamin D sufficient (25(OH)D &gt;50 nmol\/L), 48.9% were insufficient (25\u201350 nmol\/L) and 6.4% were deficient (&lt;25 nmol\/L). 25(OH)D was positively correlated with vitamin D intake (\u00b5g\/day) (p = 0.012, r = 0.374), spring\/summer outdoor hours (p = 0.006, r = 0.402) and dominant grip strength (kg) (p = 0.044, r = 0.317). Vitamin D sufficient participants had higher dietary vitamin D intake (\u00b5g\/day) (p = 0.021), supplement intake (\u00b5g\/day) (p = 0.028) and spring\/summer outdoor hours (p = 0.015). (4) Conclusion: Over half of the children were vitamin D deficient or insufficient. Wintertime supplementation, the consumption of vitamin D rich foods and spring\/summer outdoor activities should be encouraged to minimise the risk of vitamin D inadequacy.<\/jats:p>","DOI":"10.3390\/nu14040804","type":"journal-article","created":{"date-parts":[[2022,2,14]],"date-time":"2022-02-14T20:58:03Z","timestamp":1644872283000},"page":"804","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Vitamin D Status and Health Outcomes in School Children in Northern Ireland: Year One Results from the D-VinCHI Study"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5971-1494","authenticated-orcid":false,"given":"Dominique Ulrike","family":"Glatt","sequence":"first","affiliation":[{"name":"Department of Dietetics and Nutrition, Queen Margaret University, Edinburgh EH21 6UU, UK"},{"name":"Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emeir","family":"McSorley","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2251-5251","authenticated-orcid":false,"given":"L. Kirsty","family":"Pourshahidi","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5534-7146","authenticated-orcid":false,"given":"Raquel","family":"Revuelta Iniesta","sequence":"additional","affiliation":[{"name":"Department of Sports and Health Sciences, University of Exeter, Exeter EX1 2LU, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jane","family":"McCluskey","sequence":"additional","affiliation":[{"name":"Department of Dietetics and Nutrition, Queen Margaret University, Edinburgh EH21 6UU, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Beggan","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine BT52 1SA, UK"},{"name":"Mass Spectrometry Centre, Biomedical Sciences Research Institute (BMSRI), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary","family":"Slevin","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nigel","family":"Gleeson","sequence":"additional","affiliation":[{"name":"Department of Dietetics and Nutrition, Queen Margaret University, Edinburgh EH21 6UU, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5283-2931","authenticated-orcid":false,"given":"Diego F.","family":"Cobice","sequence":"additional","affiliation":[{"name":"Mass Spectrometry Centre, Biomedical Sciences Research Institute (BMSRI), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara","family":"Dobbin","sequence":"additional","affiliation":[{"name":"Mass Spectrometry Centre, Biomedical Sciences Research Institute (BMSRI), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0479-3314","authenticated-orcid":false,"given":"Pamela J.","family":"Magee","sequence":"additional","affiliation":[{"name":"Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine BT52 1SA, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,2,14]]},"reference":[{"key":"ref_1","unstructured":"(2019, February 18). Scientific Advisory Committee on Nutrition (SACN) SACN Vitamin D and Health Report, Available online: https:\/\/www.gov.uk\/government\/publications\/sacn-vitamin-d-and-health-report."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1023\/A:1017535728844","article-title":"In situ detection of 1,25-dihydroxyvitamin D3 receptor in human skeletal muscle tissue","volume":"33","author":"Bischoff","year":"2001","journal-title":"Histochem. J."},{"key":"ref_3","first-page":"CD007470","article-title":"Vitamin D supplementation for prevention of mortality in adults","volume":"7","author":"Bjelakovic","year":"2014","journal-title":"Cochrane Database Syst. Rev."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"266","DOI":"10.1056\/NEJMra070553","article-title":"Vitamin D deficiency","volume":"357","author":"Holick","year":"2007","journal-title":"N. Engl. J. Med."},{"key":"ref_5","unstructured":"Ross, A.C., Taylor, C.L., Yaktine, A.L., and Del Valle, H.B. (2019, March 30). Dietary Reference Intakes for Calcium and Vitamin D, Available online: http:\/\/www.ncbi.nlm.nih.gov\/books\/NBK56070\/."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"408","DOI":"10.1097\/MNH.0b013e3283040c99","article-title":"The Non-Calciotropic Actions of Vitamin D: Recent Clinical Developments","volume":"17","author":"Maalouf","year":"2008","journal-title":"Curr. Opin. Nephrol. Hypertens."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"2630","DOI":"10.1210\/jc.2018-00281","article-title":"S-25OHD Is Associated With Hand Grip Strength and Myopathy at 5 Years in Girls: An Odense Child Cohort Study","volume":"103","author":"Jespersen","year":"2018","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"426","DOI":"10.1007\/s00223-015-0099-x","article-title":"A Systematic Review of the Role of Vitamin D on Neuromuscular Remodelling Following Exercise and Injury","volume":"98","author":"Minshull","year":"2015","journal-title":"Calcif. Tissue Int."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"575","DOI":"10.1016\/j.jsams.2014.07.022","article-title":"Effects of vitamin D supplementation on upper and lower body muscle strength levels in healthy individuals. A systematic review with meta-analysis","volume":"18","author":"Tomlinson","year":"2015","journal-title":"J. Sci. Med. Sport"},{"key":"ref_10","unstructured":"(2019, September 26). Vitamin D Deficiency in Children\u2014NICE CKS. Available online: https:\/\/cks.nice.org.uk\/vitamin-d-deficiency-in-children#!topicSummary."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"1498","DOI":"10.1038\/s41430-020-0558-y","article-title":"Vitamin D deficiency 2.0: An update on the current status worldwide","volume":"74","author":"Amrein","year":"2020","journal-title":"Eur. J. Clin. Nutr."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"1911","DOI":"10.1210\/jc.2011-0385","article-title":"Endocrine Society Evaluation, treatment, and prevention of vitamin D deficiency: An Endocrine Society clinical practice guideline","volume":"96","author":"Holick","year":"2011","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"ref_13","unstructured":"(2020, March 30). NDNS National Diet and Nutrition Survey, Available online: https:\/\/www.gov.uk\/government\/collections\/national-diet-and-nutrition-survey."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"569","DOI":"10.1136\/adc.2005.077974","article-title":"Hypovitaminosis D among healthy adolescent girls attending an inner city school","volume":"91","author":"Das","year":"2006","journal-title":"Arch. Dis. Child."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1038\/sj.ejcn.1600697","article-title":"Vitamin D: Seasonal and regional differences in preschool children in Great Britain","volume":"53","author":"Davies","year":"1999","journal-title":"Eur. J. Clin. Nutr."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"1202","DOI":"10.1210\/jc.2011-2516","article-title":"Risk Factors for Variation in 25-Hydroxyvitamin D3 and D2 Concentrations and Vitamin D Deficiency in Children","volume":"97","author":"Tolppanen","year":"2012","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1007\/s00394-016-1368-9","article-title":"Low vitamin D deficiency in Irish toddlers despite northerly latitude and a high prevalence of inadequate intakes","volume":"57","author":"McCarthy","year":"2018","journal-title":"Eur. J. Nutr."},{"key":"ref_18","unstructured":"(2021, April 27). Iuna|Survey Reports|Dietary Research|Nutritional Research. Available online: https:\/\/www.iuna.net\/surveyreports."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Hansen, L., Tj\u00f8nneland, A., K\u00f8ster, B., Brot, C., Andersen, R., Cohen, A.S., Frederiksen, K., and Olsen, A. (2018). Vitamin D Status and Seasonal Variation among Danish Children and Adults: A Descriptive Study. Nutrients, 10.","DOI":"10.3390\/nu10111801"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"654","DOI":"10.1097\/MPG.0000000000000274","article-title":"Seasonal Vitamin D Status of Healthy Schoolchildren and Predictors of Low Vitamin D Status","volume":"58","author":"Dilber","year":"2014","journal-title":"J. Pediatr. Gastroenterol. Nutr."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1017\/S000711451500433X","article-title":"Vitamin D status and its determinants during autumn in children at northern latitudes: A cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study","volume":"115","author":"Petersen","year":"2016","journal-title":"Br. J. Nutr. Camb."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"692","DOI":"10.1097\/MPG.0b013e31828f3c05","article-title":"Vitamin D in the Healthy European Paediatric Population","volume":"56","author":"Braegger","year":"2013","journal-title":"J. Pediatr. Gastroenterol. Nutr."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"P23","DOI":"10.1530\/EJE-18-0736","article-title":"Current vitamin D status in European and Middle East countries and strategies to prevent vitamin D deficiency: A position statement of the European Calcified Tissue Society","volume":"180","author":"Lips","year":"2019","journal-title":"Eur. J. Endocrinol."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"123","DOI":"10.1002\/9780470319444.ch9","article-title":"Calcium and vitamin D","volume":"282","author":"Cashman","year":"2007","journal-title":"Novartis Found. Symp."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"1124","DOI":"10.1139\/apnm-2016-0097","article-title":"Association of plasma 25-hydroxyvitamin D with physical performance in physically active children","volume":"41","author":"Bezrati","year":"2016","journal-title":"Appl. Physiol. Nutr. Metab."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"646","DOI":"10.1249\/MSS.0b013e3181bb813b","article-title":"Physical Activity and Bone Mineral Density in Adolescents with Vitamin D Deficiency","volume":"42","author":"Constantini","year":"2010","journal-title":"Med. Sci. Sports Exerc."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"1183","DOI":"10.1007\/s00394-018-1637-x","article-title":"Winter vitamin D3 supplementation does not increase muscle strength, but modulates the IGF-axis in young children","volume":"58","author":"Mortensen","year":"2019","journal-title":"Eur. J. Nutr."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1210\/jc.2005-1436","article-title":"Effect of vitamin D replacement on musculoskeletal parameters in school children: A randomized controlled trial","volume":"91","author":"Nabulsi","year":"2006","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"4643","DOI":"10.1210\/jc.2009-2725","article-title":"A randomized, controlled trial of vitamin D supplementation upon musculoskeletal health in postmenarchal females","volume":"95","author":"Ward","year":"2010","journal-title":"J. Clin. Endocrinol. Metab."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"2291","DOI":"10.1111\/j.1532-5415.2011.03733.x","article-title":"Effect of vitamin D supplementation on muscle strength, gait and balance in older adults: A systematic review and meta-analysis","volume":"59","author":"Muir","year":"2011","journal-title":"J. Am. Geriatr. Soc."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"50","DOI":"10.4065\/mcp.2010.0567","article-title":"Vitamin D Insufficiency","volume":"86","author":"Thacher","year":"2011","journal-title":"Mayo Clin. Proc."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"9S","DOI":"10.1177\/0148607111430189","article-title":"The D-lightful vitamin D for child health","volume":"36","author":"Holick","year":"2012","journal-title":"JPEN J. Parenter. Enteral Nutr."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"565","DOI":"10.1007\/s00431-015-2524-6","article-title":"Vitamin D in childhood and adolescence: An expert position statement","volume":"174","author":"Saggese","year":"2015","journal-title":"Eur. J. Pediatr."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"3551","DOI":"10.3390\/nu5093551","article-title":"Vitamin D intake and risk of type 1 diabetes: A meta-analysis of observational studies","volume":"5","author":"Dong","year":"2013","journal-title":"Nutrients"},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"2502","DOI":"10.3390\/nu5072502","article-title":"Vitamin D and immune function","volume":"5","author":"Prietl","year":"2013","journal-title":"Nutrients"},{"key":"ref_36","doi-asserted-by":"crossref","unstructured":"Mailhot, G., and White, J.H. (2020). Vitamin D and Immunity in Infants and Children. Nutrients, 12.","DOI":"10.3390\/nu12051233"},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"S31","DOI":"10.4103\/sja.SJA_543_18","article-title":"The STROBE guidelines","volume":"13","author":"Cuschieri","year":"2019","journal-title":"Saudi J. Anaesth."},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1136\/adc.76.1.47","article-title":"Growth monitoring with the British 1990 growth reference","volume":"76","author":"Cole","year":"1997","journal-title":"Arch. Dis. Child."},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1038\/sj.ejcn.1602090","article-title":"What is the best measure of adiposity change in growing children: BMI, BMI %, BMI z -score or BMI centile?","volume":"59","author":"Cole","year":"2005","journal-title":"Eur. J. Clin. Nutr."},{"key":"ref_40","unstructured":"(2019, June 05). NIHR DAPA Measurement Toolkit. Available online: https:\/\/www.dapa-toolkit.mrc.ac.uk\/diet\/subjective-methods\/food-frequency-questionnaire."},{"key":"ref_41","unstructured":"(2020, March 30). CDC NHANES 2017\u20132018 Anthropometry Manual, Available online: https:\/\/wwwn.cdc.gov\/nchs\/nhanes\/continuousnhanes\/manuals.aspx?BeginYear=2017."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"1052","DOI":"10.1093\/ajcn\/27.10.1052","article-title":"Triceps skin fold and upper arm muscle size norms for assessment of nutrition status","volume":"27","author":"Frisancho","year":"1974","journal-title":"Am. J. Clin. Nutr."},{"key":"ref_43","unstructured":"De Onis, M. (2015). World Health Organization Reference Curves. The ECOG\u2019s eBook on Child and Adolescent Obesity, ECOG. Available online: https:\/\/ebook.ecog-obesity.eu\/chapter-growth-charts-body-composition\/world-health-organization-reference-curves\/."},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"869","DOI":"10.1001\/archderm.1988.01670060015008","article-title":"The Validity and Practicality of Sun-Reactive Skin Types I Through VI","volume":"124","author":"Fitzpatrick","year":"1988","journal-title":"Arch. Dermatol."},{"key":"ref_45","unstructured":"Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) (2019, June 05). Fitzpatrick Skin Phototype. Australian Government, Available online: https:\/\/www.arpansa.gov.au\/sites\/default\/files\/legacy\/pubs\/RadiationProtection\/FitzpatrickSkinType.pdf."},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"O\u2019Connor, C., Glatt, D., White, L., and Revuelta Iniesta, R. (2018). Knowledge, Attitudes and Perceptions towards Vitamin D in a UK Adult Population: A Cross-Sectional Study. Int. J. Environ. Res. Public. Health, 15.","DOI":"10.3390\/ijerph15112387"},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1111\/ped.12035","article-title":"Validity of a children\u2019s physical activity questionnaire (cPAQ) for the study of bone health","volume":"55","author":"Aini","year":"2013","journal-title":"Pediatr. Int."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1037\/a0035638","article-title":"The Concise Physical Activity Questionnaire (CPAQ): Its development, validation, and application to firefighter occupational health","volume":"21","author":"Sliter","year":"2014","journal-title":"Int. J. Stress Manag."},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1111\/jhn.12328","article-title":"Validation of a food frequency questionnaire to determine vitamin D intakes using the method of triads","volume":"29","author":"Weir","year":"2016","journal-title":"J. Hum. Nutr. Diet. Off. J. Br. Diet. Assoc."},{"key":"ref_50","doi-asserted-by":"crossref","unstructured":"Hepping, A.M., Ploegmakers, J.J.W., Geertzen, J.H.B., Bulstra, S.K., and Stevens, M. (2015). The Influence of Hand Preference on Grip Strength in Children and Adolescents; A Cross-Sectional Study of 2284 Children and Adolescents. PLoS ONE, 10.","DOI":"10.1371\/journal.pone.0143476"},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1177\/1403494818769851","article-title":"Handgrip strength in 6\u201312-year-old children: The Health Oriented Pedagogical Project (HOPP)","volume":"46","author":"Fredriksen","year":"2018","journal-title":"Scand. J. Public Health"},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1007\/s11999-009-0881-z","article-title":"Growth Diagrams for Grip Strength in Children","volume":"468","author":"Molenaar","year":"2010","journal-title":"Clin. Orthop."},{"key":"ref_53","doi-asserted-by":"crossref","unstructured":"G\u00f3mez-Campos, R., Andruske, C.L., de Arruda, M., Sulla-Torres, J., Pacheco-Carrillo, J., Urra-Albornoz, C., and Cossio-Bola\u00f1os, M. (2018). Normative data for handgrip strength in children and adolescents in the Maule Region, Chile: Evaluation based on chronological and biological age. PLoS ONE, 13.","DOI":"10.1371\/journal.pone.0201033"},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1002\/pri.1549","article-title":"Static balance norms in children","volume":"19","author":"Condon","year":"2014","journal-title":"Physiother. Res. Int. J. Res. Clin. Phys. Ther."},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"447","DOI":"10.1080\/09637486.2020.1837743","article-title":"Vitamin D3 content of cows\u2019 milk produced in Northern Ireland and its efficacy as a vehicle for vitamin D fortification: A UK model","volume":"72","author":"Weir","year":"2021","journal-title":"Int. J. Food Sci. Nutr."},{"key":"ref_56","doi-asserted-by":"crossref","first-page":"1165","DOI":"10.1017\/S1368980018003841","article-title":"Micronutrient deficiencies and health-related quality of life: The case of children with vitamin D deficiency","volume":"23","author":"Aguiar","year":"2020","journal-title":"Public Health Nutr."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"1345","DOI":"10.1177\/0009922814541999","article-title":"Vitamin D Status in Irish Children and Adolescents: Value of Fortification and Supplementation","volume":"53","author":"Carroll","year":"2014","journal-title":"Clin. Pediatr."},{"key":"ref_58","doi-asserted-by":"crossref","unstructured":"McFadden, A., Green, J.M., Williams, V., McLeish, J., McCormick, F., Fox-Rushby, J., and Renfrew, M.J. (2014). Can food vouchers improve nutrition and reduce health inequalities in low-income mothers and young children: A multi-method evaluation of the experiences of beneficiaries and practitioners of the Healthy Start programme in England. BMC Public Health, 14.","DOI":"10.1186\/1471-2458-14-148"},{"key":"ref_59","doi-asserted-by":"crossref","unstructured":"Calame, W., Street, L., and Hulshof, T. (2020). Vitamin D Serum Levels in the UK Population, including a Mathematical Approach to Evaluate the Impact of Vitamin D Fortified Ready-to-Eat Breakfast Cereals: Application of the NDNS Database. Nutrients, 12.","DOI":"10.3390\/nu12061868"},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1007\/s40120-017-0086-4","article-title":"Vitamin D and Multiple Sclerosis: A Comprehensive Review","volume":"7","author":"Sintzel","year":"2017","journal-title":"Neurol. Ther."},{"key":"ref_61","doi-asserted-by":"crossref","first-page":"105561","DOI":"10.1016\/j.jsbmb.2019.105561","article-title":"The effects of correction of vitamin D deficiency on arterial stiffness: A systematic review and updated meta-analysis of randomized controlled trials","volume":"198","author":"Chen","year":"2020","journal-title":"J. Steroid Biochem. Mol. Biol."},{"key":"ref_62","doi-asserted-by":"crossref","first-page":"322","DOI":"10.1111\/nbu.12108","article-title":"Vitamin D: An overview of vitamin D status and intake in Europe","volume":"39","author":"Spiro","year":"2014","journal-title":"Nutr. Bull. BNF"},{"key":"ref_63","doi-asserted-by":"crossref","first-page":"755","DOI":"10.1017\/S000711451200565X","article-title":"Mapping low intake of micronutrients across Europe","volume":"110","author":"Mensink","year":"2013","journal-title":"Br. J. Nutr."},{"key":"ref_64","doi-asserted-by":"crossref","first-page":"1405","DOI":"10.1007\/s00431-017-2986-9","article-title":"Costs of vitamin D testing and prescribing among children in primary care","volume":"176","author":"Basatemur","year":"2017","journal-title":"Eur. J. Pediatr."},{"key":"ref_65","doi-asserted-by":"crossref","first-page":"667","DOI":"10.1530\/EC-17-0193","article-title":"Variations in infant and childhood vitamin D supplementation programmes across Europe and factors influencing adherence","volume":"6","author":"Uday","year":"2017","journal-title":"Endocr. Connect."},{"key":"ref_66","doi-asserted-by":"crossref","first-page":"86","DOI":"10.1016\/j.jand.2013.06.350","article-title":"Adherence to a vitamin D supplement intervention in urban schoolchildren","volume":"114","author":"Au","year":"2014","journal-title":"J. Acad. Nutr. Diet."},{"key":"ref_67","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1007\/s11914-017-0383-y","article-title":"Nutritional Rickets and Osteomalacia in the Twenty-first Century: Revised Concepts, Public Health, and Prevention Strategies","volume":"15","author":"Uday","year":"2017","journal-title":"Curr. Osteoporos. Rep."},{"key":"ref_68","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1186\/1475-2891-12-151","article-title":"New perspectives on vitamin D food fortification based on a modeling of 25(OH)D concentrations","volume":"12","author":"Brown","year":"2013","journal-title":"Nutr. J."},{"key":"ref_69","doi-asserted-by":"crossref","first-page":"939","DOI":"10.1007\/s00394-020-02298-x","article-title":"Individual participant data (IPD)-level meta-analysis of randomised controlled trials with vitamin D-fortified foods to estimate Dietary Reference Values for vitamin D","volume":"60","author":"Cashman","year":"2021","journal-title":"Eur. J. Nutr."},{"key":"ref_70","doi-asserted-by":"crossref","unstructured":"Itkonen, S.T., Erkkola, M., and Lamberg-Allardt, C.J.E. (2018). Vitamin D Fortification of Fluid Milk Products and Their Contribution to Vitamin D Intake and Vitamin D Status in Observational Studies\u2014A Review. Nutrients, 10.","DOI":"10.3390\/nu10081054"},{"key":"ref_71","doi-asserted-by":"crossref","first-page":"374","DOI":"10.3945\/ajcn.113.059469","article-title":"Randomized controlled trial of the effects of vitamin D\u2013fortified milk and bread on serum 25-hydroxyvitamin D concentrations in families in Denmark during winter: The VitmaD study","volume":"98","author":"Madsen","year":"2013","journal-title":"Am. J. Clin. Nutr."},{"key":"ref_72","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/j.jsbmb.2015.01.023","article-title":"Vitamin D: Dietary requirements and food fortification as a means of helping achieve adequate vitamin D status","volume":"148","author":"Cashman","year":"2015","journal-title":"J. Steroid Biochem. Mol. Biol."},{"key":"ref_73","doi-asserted-by":"crossref","first-page":"777364","DOI":"10.3389\/fnut.2021.777364","article-title":"Vitamin D Biofortification of Pork May Offer a Food-Based Strategy to Increase Vitamin D Intakes in the UK Population","volume":"8","author":"Neill","year":"2021","journal-title":"Front. Nutr."},{"key":"ref_74","doi-asserted-by":"crossref","first-page":"1102","DOI":"10.3945\/jn.112.158014","article-title":"An Updated Systematic Review and Meta-Analysis of the Efficacy of Vitamin D Food Fortification","volume":"142","author":"Black","year":"2012","journal-title":"J. Nutr."},{"key":"ref_75","first-page":"268","article-title":"Successful nutrition policy: Improvement of vitamin D intake and status in Finnish adults over the last decade","volume":"27","author":"Raulio","year":"2017","journal-title":"Eur. J. Public Health"},{"key":"ref_76","doi-asserted-by":"crossref","first-page":"637","DOI":"10.1080\/1028415X.2017.1423268","article-title":"Vitamin A and vitamin D deficiencies exacerbate symptoms in children with autism spectrum disorders","volume":"22","author":"Guo","year":"2019","journal-title":"Nutr. Neurosci."},{"key":"ref_77","doi-asserted-by":"crossref","first-page":"349","DOI":"10.1016\/j.appet.2015.07.026","article-title":"Picky\/fussy eating in children: Review of definitions, assessment, prevalence and dietary intakes","volume":"95","author":"Taylor","year":"2015","journal-title":"Appetite"},{"key":"ref_78","doi-asserted-by":"crossref","first-page":"4485","DOI":"10.1128\/IAI.06224-11","article-title":"Interleukin 13 Exposure Enhances Vitamin D-Mediated Expression of the Human Cathelicidin Antimicrobial Peptide 18\/LL-37 in Bronchial Epithelial Cells","volume":"80","author":"Schrumpf","year":"2012","journal-title":"Infect. Immun."},{"key":"ref_79","first-page":"93","article-title":"The effects of vitamin D on allergen-induced expression of interleukin-13 and interleukin-17 in cord blood CD4+T cells","volume":"13","author":"Zhong","year":"2014","journal-title":"Iran. J. Allergy Asthma Immunol."},{"key":"ref_80","first-page":"618","article-title":"The clinical and immunological effect of vitamin D supplementation combined with grass-specific slit in children with allergic rhinitis","volume":"73","author":"Stelmach","year":"2018","journal-title":"Allergy"},{"key":"ref_81","doi-asserted-by":"crossref","first-page":"1002","DOI":"10.3945\/jn.108.102053","article-title":"Low vitamin D status has an adverse influence on bone mass, bone turnover, and muscle strength in Chinese adolescent girls","volume":"139","author":"Foo","year":"2009","journal-title":"J. Nutr."},{"key":"ref_82","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1177\/0379572117724545","article-title":"Serum Vitamin D Level Associates With Handgrip Muscle Strength Among Ethiopian Schoolchildren: A Cross-Sectional Study","volume":"39","author":"Wakayo","year":"2018","journal-title":"Food Nutr. Bull."},{"key":"ref_83","doi-asserted-by":"crossref","first-page":"1968","DOI":"10.1177\/0363546510376053","article-title":"Biomechanical measures during landing and postural stability predict second anterior cruciate ligament injury after anterior cruciate ligament reconstruction and return to sport","volume":"38","author":"Paterno","year":"2010","journal-title":"Am. J. Sports Med."},{"key":"ref_84","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1016\/j.jmpt.2013.08.009","article-title":"Association of postural balance and isometric muscle strength in early- and middle-school-age boys","volume":"36","author":"Ibrahim","year":"2013","journal-title":"J. Manipulative Physiol. 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