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