1. Urology Unit, Department of Medicine and Surgery, University of Milan, Fondazione Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Milan, Italy
2. Urology Unit, Università Vita e Salute, Istituto San Raffaele, Milan, Italy
3. Endocrinology Unit, Department of Medicine and Surgery, University of Milan, Fondazione Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Milan, Italy
4. Urology Unit, Fundacio Puigvert, Barcelona, Spain
5. Pathology Unit, Fundacio Puigvert, Barcelona, Spain
6. Andrology Unit, San Paolo Hospital, Milan, Italy
7. Urology Unit, University of Milan, Istituto Europeo di Oncologia, Milan, Italy
8. Urology Unit, Fondazione Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy