1. Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences
2. Department of Medicine
3. ImFINE Research Group, Department of Health and Human Performance, Technical University of Madrid, Madrid, Spain
4. CIBER: CB12/03/30038 Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III, Madrid, Spain
5. Department of Public Health, Ghent University, Ghent, Belgium
6. Growth, Exercise, Nutrition and Development Research Group, Faculty of Health Sciences, University of Zaragoza, Zaragoza, Spain
7. Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg C, Denmark
8. Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
9. Department of Nutrition and Dietetics, Harokopio University, Athens, Greece
10. Department of Epidemiology and Health Monitoring, Robert Koch-Institut, Berlin, Germany
11. Medical Research Council Human Nutrition Research Unit, Elsie Widdowson Laboratory, Cambridge, United Kingdom
12. Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research
13. Department of General Practice & Elderly Care Medicine
14. Division of Endocrinology and Metabolism, Department of Internal Medicine, Medical University of Graz, Graz, Austria
15. Department of Internal Medicine, Section of Endocrinology, Vrije Universiteit University Medical Center, Amsterdam, Netherlands
16. Icelandic Heart Association, Kopavogur, Icel
17. University of Iceland, Reykjavik, Icel
18. Division of Epidemiology and Clinical Applications, National Eye Institute
19. Department of Health, Functional Capacity and Welfare and Department of Chronic Disease Prevention, National Institute for Health and Welfare, Helsinki, Finl
20. Department of Food and Environmental Sciences, Helsinki University, Helsinki, Finl
21. Department of Public Health Sciences, Loyola University Stritch School of Medicine, Chicago, IL
22. Office of Dietary Supplements, NIH, Bethesda, MD
23. Irish Centre for Fetal and Neonatal Translational Research, University College Cork, Cork, Irel