[1] Spedali Civili Brescia, Dept Urol, I-25123 Brescia, Italy
[2] IRCCS Osped San Raffaele, Urol Res Inst, Div Expt Oncol, Unit Urol, I-20132 Milan, Italy
[3] Univ Vita Salute San Raffaele, Fac Med, I-20132 Milan, Italy
[4] Univ Naples Federico II, Dept Neurosci Sci Reprod & Odontostomatol, I-80138 Naples, Italy
[5] Luigi Vanvitelli Univ, Dept Woman Child & Gen & Specialized Surg, Urol Unit, I-80138 Naples, Italy