1. Department of Oncology, Division of Urology, University of Turin, San Luigi Gonzaga Hospital, 10043 Orbassano, Italy
2. Department of Surgery, Candiolo Cancer Institute, FPO-IRCCS, 10060 Candiolo, Italy
3. Division of Urology, Department of Surgery, SS Annunziata Hospital, 87100 Cosenza, Italy
4. Romolo Hospital, 88821 Rocca di Neto, Italy