[1] Univ Vita Salute San Raffaele, Dept Urol, I-20132 Milan, Italy
[2] Magna GraeciaUniv, ResearchDoctorate Program Urol, Catanzaro, Italy
[3] H San Raffaele Resnati, Ctr Gynecol & MedicalSexol, Milan, Italy
[4] Univ Pavia, Dept Obstet & Gynecol, IRCCS Policlin San Matteo, Res Ctr Reprod Med, I-27100 Pavia, Italy