1. Department of Urology; Magna Graecia University of Catanzaro; Catanzaro Italy
2. Doctorate Research Program; Magna Graecia University of Catanzaro; Catanzaro Italy
3. Urological Research Institute; University Vita-Salute San Raffaele; Milan Italy
4. Glickman Urological and Kidney Institute; Cleveland Clinic; Cleveland Ohio USA
5. Department of Urology; La Sapienza University of Rome; S. Andrea Hospital; Rome Italy