1. Department of Experimental Medicine and Surgery; UOC of Urology, University of Rome Tor Vergata, Policlinico Casilino; Rome Italy
2. Department of Urology; Clinique Saint-Augustin; Bordeaux France
3. Department of Experimental Medicine and Surgery; UOC of Urology, University of Rome Tor Vergata, Policlinico Tor Vergata; Rome Italy
4. Department of Urology; Ospedale Niguarda Ca' Granda; Milan Italy