1. Urology Unit, Department of Medicine and Surgery, University of Milan, Italy
2. Urology Unit, Istituto Nazionale per lo Studio e la Cura dei Tumori, Milan, Italy
3. Pathology Unit, Lodi Hospital, Lodi, Italy
4. Fondazione Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Italy
5. Pathology Unit, San Paolo Hospital, Italy
6. Andrology Unit, San Paolo Hospital, Italy