1. Endocrinology Unit; Maggiore-Bellaria Hospital; Medical Department; Azienda-Usl Bologna; Bologna Italy
2. Division of Endocrinology; Department of Clinical and Molecular Sciences; Umberto I Hospital; Polytechnic University of Marche; Ancona Italy
3. Unit of Endocrinology & Metabolism; Department of Biomedical, Metabolic and Neural Sciences; University of Modena and Reggio Emilia; Modena Italy
4. Sexual Medicine and Andrology Unit; Department of Experimental, Clinical and Biomedical Sciences; University of Florence; Florence Italy
5. Department of Urology; University of Florence; Florence Italy
6. Urology Unit; Maggiore-Bellaria Hospital; Surgical Department; Azienda-Usl Bologna; Bologna Italy
7. Department of Urology; Sahlgrenska University Hospital; Göteborg Sweden
8. Diabetology; Careggi Teaching Hospital; Florence Italy