1. Department of Internal Medicine, Division of Endocrinology, Radboud University Medical Center, Nijmegen, Netherlands
2. Department of Experimental and Clinical Biomedical Sciences University of Florence, Florence, Italy
3. Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
4. Department of Radiology, Mayo Clinic, Rochester, Minnesota
5. Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, Minnesota
6. Department of Endocrinology, University Hospital Center Zagreb, Zagreb, Croatia
7. National Institute of Endocrinology C. I. Parhon, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
8. Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Warsaw, Poland
9. Service d'Endocrinologie Hôpital Haut-Lévêque, CHU de Bordeaux, Pessac, France
10. Department of Applied Health Research, University of Groningen, University Medical Center Groningen, GZ Groningen, Netherlands
11. Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom
12. Division of Endocrinology, Center Hospitalier de l'Université de Montréal, Montreal, Quebec, Canada
13. Fédération d'Endocrinologie, Groupement Hospitalier Est, Hospices Civils de Lyon, Bron, France
14. Department of Internal Medicine I, Division of Endocrinology and Diabetes, University Hospital, University of Wuerzburg, Wuerzburg, Germany
15. Comprehensive Cancer Center Mainfranken, University of Wuerzburg, Wuerzburg, Germany
16. Department of Endocrinology, Jagiellonian University, Collegium Medicum, Krakow, Poland
17. Addenbrooke's Hospital, Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge and NIHR Biomedical Research Center, Cambridge, United Kingdom
18. Endocrinology in Charlottenburg, Berlin, Germany
19. Department of Endocrinology, Center Hospitalier Universitaire de Liège, Liège, Belgium
20. Medizinische Klinik und Poliklinik IV Ludwig-Maximilians-Universität München, Munich, Germany
21. Klinik für Endokrinologie, Diabetologie und Klinische Ernährung, UniversitätsSpital Zürich, Zurich, Switzerland
22. Endocrinology Department, Hospital General Universitario de Albacete, Albacete, Spain