1. Endocrinology Unit, Medical Department, Azienda-Usl Bologna, Maggiore-Bellaria Hospital, Bologna, Italy
2. Andrology, Female Endocrinology and Gender Incongruence Unit, Department of Experimental, Clinical and Biomedical Sciences, University of Florence, Florence, Italy
3. Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
4. Division of Endocrinology, Università degli Studi di Napoli “Federico II”, Naples, Italy
5. Department of Urology, University of Bari, Bari, Apulia, Italy
6. Department of Urology, Amstelland Hospital, Amsterdam, The Netherlands