1. IIB-Sant Pau and Department of Endocrinology/Medicine, Hospital Sant Pau and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBER-ER, Unidad 747), ISCIII, Barcelona, Spain
2. Universitat Internacional de Catalunya (UIC), Barcelona, Spain
3. Department of Endocrinology, Aix Marseille University, AP-HM, INSERM, Marseille Medical Genetics, Marmara Institute, La Conception Hospital, Marseille, France
4. Department of Endocrinology, Diabetes and Nutrition, University of Bordeaux, Bordeaux, France
5. Department of Endocrinology, Diabetes and Metabolism, Evangelismos Hospital, Athens, Greece
6. Erasmus Medical Center, Division of Endocrinology, Department of Internal Medicine, Rotterdam, The Netherlands
7. Division of Endocrinology, Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
8. Praxis für Endokrinologie Dr. med. Michael Droste, Oldenburg, Germany
9. Division of Clinical Endocrinology, Department of Medicine CCM, Charité-Universitätsmedizin, Berlin, Germany
10. Service d’Endocrinologie et Nutrition, Cliniques universitaires Saint Luc, Brussels, Belgium
11. Department of Endocrinology, University Hospital Zagreb, Zagreb, Croatia
12. Institut National de la Santé et de la Recherche Médicale, U1185, Le Kremlin, Bicêtre, Paris, France
13. Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
14. Zentrum für Endokrinologie, Diabetologie, Rheumatologie Dr. Demtröder & Kollegen, Dortmund, Germany
15. Paula Stradiņa klīniskā universitātes slimnīca, Riga, Latvia
16. Hospitalier Universitaire, Grenoble, France
17. Lohmann & Birkner Health Care Consultimg GmbH, Berlin, Germany
18. Medizinische Klinik UND Poliklinik IV, Campus Innestadt, Klinikum der Universität München, Ludwig-Maximilians-Universität München, Munich, Germany