1. IIB-Sant Pau and Department of Endocrinology/Medicine; Hospital Sant Pau; UAB, and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBER-ER, Unidad 747); ISCIII; Barcelona Spain
2. Erasmus University Medical Centre; Rotterdam The Netherlands
3. UCL Cliniques universitaires St Luc; Brussels Belgium
4. Univ Paris-Sud; Université Paris-Saclay UMR-S1185; Paris France
5. Assistance Publique-Hôpitaux de Paris; Hôpital de Bicêtre; Service de Endocrinologie et des Maladies de la Reproduction; Paris France
6. Institut National de la Santé et de la Recherche Médicale U1185; Paris France
7. Medical University of Sofia; Sofia Bulgary
8. Medizinische Klinik und Poliklinik IV; Klinikum der Universität München; München Germany
9. 2nd Department of Medicine; 3rd Faculty of Medicine; Charle University and University Hospital Kralovske Vinohrady; Prague Czech Republic
10. 2nd Department of Medicine; Semmelweis University; Budapest Hungary
11. Hospitais da Universidade de Coimbra; Coimbra Portugal
12. Moscow Regional Research Clinical Institute n.a. Vladimirsky; Moscow Russia
13. Praxis für Endokrinologie Droste; Oldenburg Germany
14. Centre Hospitalier Universitaire de Bordeaux; Bordeaux France
15. Division of Clinical Endocrinology; Department of Medicine CCM; Charité- Universitätsmedizin; Berlin Germany
16. Lohmann & Birkner Health Care Consulting GmbH; Berlin Germany
17. Department of Endocrinology; Christie Hospital; Manchester UK
18. Academic Unit of Diabetes, Endocrinology and Reproduction; Department of Oncology and Metabolism; The Medical School; University of Sheffield; Sheffield UK
19. Oxford Radcliffe Hospitals NHS Trust; Oxford UK
20. Institute of Medicine at Sahlgrenska Academy; University of Gothenburg and the Department of Endocrinology; Sahlgrenska University Hospital; Gothenburg Sweden