1. Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Hospital, University of Turin , 10043 Turin , Italy
2. Endocrine Unit of University Hospital of Messina, University of Messina , 98124 Messina , Italy
3. Oncology Unit, University of Brescia , 25123 Brescia , Italy
4. Endocrinology Unit, Department of Medicine DIMED, University-Hospital of Padua , 35128 Padua , Italy
5. Division of Endocrinology and Diabetes Prevention and Care Unit, IRCCS, University Hospital of Bologna , 40138 Bologna , Italy
6. Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum-University of Bologna , 40126 Bologna , Italy
7. Endocrinology, Department of Clinical and Molecular Medicine, Sant'Andrea University Hospital, Sapienza University of Rome , 00189 Rome , Italy
8. Division of Endocrinology and Metabolic Diseases, University-Hospital Gemelli, IRCCS, Catholic University of the Sacred Heart , 00168 Rome , Italy
9. Endocrinology Unit, Department of Experimental and Clinical Biomedical Sciences, University of Florence , 50134 Florence , Italy
10. Endocrinology, Clinica Polispecialistica San Carlo , 20037 Milan , Italy
11. Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples Federico II , 80131 Naples , Italy
12. Oncological Endocrinology Unit, Department of Medical Sciences, University of Turin , 10043 Turin , Italy
13. Department of Endocrine and Metabolic Disease, Istituto Auxologico Italiano, IRCSS , 20145 Milan , Italy
14. Statistical Unit, Department of Clinical and Biological Sciences, University of Turin , 10043 Turin , Italy
15. Unit of Biostatistics, Epidemiology and Public Health, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua , 35121 Padua , Italy
16. Urology, Department of Oncology, San Luigi Gonzaga Hospital, University of Turin , 10043 Turin , Italy