1. 1Department of Endocrinology, Diabetes and Metabolism, Hygeia Hospital
2. 2Endocrine Clinic Evgenidion Hospital, University of Athens
3. 3Department of Endocrinology, Athens Naval & VA Hospital, Athens, Unit of Reproductive Endocrinology, Athens, Greece
4. 4Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners
5. 5Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
6. 6Department of Biological Chemistry, First Department of Internal Medicine, Laikon Hospital Medical School, NKUA
7. 7Endocrine Unit, Metropolitan Hospital
8. 8Endocrine Unit, 2nd Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, ‘Aretaieion’ University Hospital
9. 9Second Medical Department and Diabetes Centre, NIMTS Hospital, Athens, Greece
10. 10Division of Endocrinology Diabetes and Metabolic Medicine, Imperial College London, London, UK
11. 11Department of Internal Medicine-Endocrine Division, McGovern Medical School, Houston, Texas, USA
12. 12Department of Endocrinology, MLH University Hospital, Beirut, Lebanon
13. 13School of Medicine, University of Belgrade, Belgrade, Serbia
14. 14Department of Clinical and Experimental Endocrinology, Medical University of Gdańsk, Gdańsk, Poland
15. 15Department of Endocrinology, Ioannina University Hospital, Ioannina, Greece
16. 16Harokopio University of Athens and HYGEIA Hospital, Athens, Greece
17. 17Private Practice, Endocrinologist, Serres, Greece
18. 18St. Luke’s Hospital, Panorama, Thessaloniki, Greece
19. 19Department of Internal Medicine – Endocrinology, University of Thessaly, Larissa, Greece
20. 20Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia