[1] Sapienza Univ Rome, Fac Pharm & Med, Dept Medicosurg Sci & Biotechnol, Urol Unit, I-04100 Latina, Italy
[2] Traumatol Inst, ICOT Surg, Orthoped, I-04100 Latina, Italy
[3] Tor Vergata Univ, Urol Unit, I-00100 Rome, Italy
[4] ASST Lariana, I-22100 Como, Italy
[5] Univ Pisa, Dept Urol, I-56121 Pisa, Italy
[6] St Andrea Hosp, Fac Med & Psychiat, Dept Urol, I-00100 Rome, Italy