1. Ph.D. Program, Faculty of Medicine Polytechnic University of the Marche Ancona Italy
2. Urology Unit IRCCS INRCA Ancona Italy
3. Department of Urology San Carlo di Nancy Hospital Rome Italy
4. Department of Life, Health and Environmental Sciences, Urology Unit University of L'Aquila L'Aquila Italy
5. Urology Unit, Department of Surgery Tor Vergata University of Rome Rome Italy