1. Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany.
2. Department of Endocrinology, Centre Hospitalier Universitaire de Larrey, Toulouse, France.
3. Human Studies, National Institute of Nutrition and Seafood Research, Bergen, Norway.
4. Department of Endocrinology, Hospital das Forças Armadas, Lisbon, Portugal.
5. Disease Risk Unit, National Institute for Health and Welfare, Helsinki, Finland.
6. Department of Nuclear Medicine, University Medical Centre, Ljubljana, Slovenia.
7. Unit for Nutrition Research, University of Iceland and Landspitali National University Hospital, Reykjavik, Iceland.
8. Department of Endocrinology, Jagiellonian University Medical College, Krakow, Poland.
9. Faculty of Medicine, Sofia University Sv. Kliment Ohridski, Sofia, Bulgaria.
10. Centre for Regional Policy Research and Cooperation “Studiorum,” Skopje, Macedonia.
11. University of Zagreb, School of Medicine, Department of Oncology and Nuclear Medicine, University Hospital Centre Sestre Milosrdnice, Zagreb, Croatia.
12. Departments of Endocrinology and Clinical Medicine, Aalborg University Hospital and Aalborg University, Aalborg, Denmark.
13. Institute of Molecular Medicine, Cardiff University, Cardiff, United Kingdom.
14. Department of Endocrinology, Institute University of Patras Medical School, Patras, Greece.
15. Nuclear Medicine Department, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium.
16. Division of Endocrinology, University of Debrecen, Debrecen, Hungary.
17. Department of Internal Medicine, Rotterdam Thyroid Center, Erasmus Medical Centre, Rotterdam, The Netherlands.
18. Department of Internal Medicine, University of Latvia, Riga, Latvia.
19. Department of Endocrinology, Slovakian Medical University, Bratislava, Slovakia.
20. Department of Nutritional Sciences, Faculty Health and Medical Sciences, University of Surrey, Guildford, United Kingdom.
21. Department of Public Health, Health Services Research and Health Technology Assessment, UMIT—University for Health Science, Medical Informatics and Technology, Hall, Austria.
22. National University of Ireland, Galway and Centre for Public Health, Queen's University, Belfast, North Ireland.
23. Research Centre for Prevention and Health, The Capital Region of Denmark, Rigshospitalet, Glostrup, Denmark.
24. Institute of Biochemistry, Food Science and Nutrition, The Hebrew University of Jerusalem, Jerusalem, Israel.
25. Department of Endocrinology and Nutrition, Hospital de Sant Joan Despi Moisès Broggi, Barcelona, Spain.
26. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
27. Institute of Endocrinology, Prague, Czech Republic.
28. Swiss Federal Institute of Technology, Zürich Department of Health Sciences and Technology, Zürich, Switzerland.