1. Department of Internal Medicine and Medical Specialties, University of Rome Sapienza, Rome, Italy.
2. Center for Outcomes Research and Clinical Epidemiology, Pescara, Italy.
3. Division of Endocrine Surgery, Fondazione Policlinico Gemelli, Catholic University, Rome, Italy.
4. Division of Endocrinology and Metabolic Diseases, Fondazione Policlinico Gemelli, Catholic University, Rome, Italy.
5. Oncological Endocrinology Unit, Department of Medical Sciences, Molinette Hospital, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy.
6. Endocrine Unit, Azienda Ospedaliero Universitaria S. Anna, Ferrara, Italy.
7. Department of Medicine, University of Perugia, Perugia, Italy.
8. Department of Medical Science, Ospedale Casa Sollievo della Sofferenza-IRCCS, San Giovanni Rotondo, Italy.
9. Department of Nuclear Medicine, University of Rome Sapienza, Rome, Italy.
10. Nuclear Medicine Unit, Spedali Civili Università degli Studi di Brescia, Brescia, Italy.
11. Department of Oncology, Division of Endocrinology and Metabolism, Humanitas-Gradenigo Hospital, University of Turin, Turin, Italy.
12. Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy.
13. Geriatrics Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
14. Division of Endocrinology, Cervello Hospital, Palermo, Italy.
15. Division of Endocrinology, Clinica Salus di Battipaglia, Salerno, Italy.
16. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
17. Division of Endocrinology, Diabetology, and Metabolism, Mauriziano Umberto I Hospital, Turin, Italy.
18. Division of Endocrinology, Diabetology, and Metabolism, Department of Medical Sciences, Molinette Hospital, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy.
19. Division of Endocrine and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, Milan, Italy.
20. Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
21. Simple Operating Unit, Department of Endocrinology, Bentivoglio Hospital, Bologna, Italy.
22. Unit of Endocrinology, Tinchi-Pisticci Hospital, Matera, Italy.
23. Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy.
24. Department of Medicine and Surgery, University of Parma, Parma, Italy.
25. Department of Medical and Surgical Sciences and Biotechnology, University of Rome Sapienza, Latina, Italy.
26. Department of Endocrinology, Ospedale S. Andrea, Sapienza Università di Roma, Rome, Italy.
27. Department of Clinical Medicine and Surgery, University of Naples “Federico II,” Naples, Italy.
28. Section of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Verona, Verona, Italy.
29. Endocrinology Unit, Department of Medicine-DIMED, University Hospital of Padua, Padua, Italy.
30. Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
31. U.O. Endocrinologia, Livorno, ASL Nord Ovest Toscana, Livorno, Italy.