[1] Univ Perugia, Neurol Clin, I-06132 Perugia, Italy
[2] Humanitas Clin & Res Ctr, Dept Urol, Milan, Italy
[3] Univ Perugia, Clin Urol & Androl, I-06132 Perugia, Italy
[4] Assessorato Sanit Reg Umbria, Perugia, Italy
[5] IRCCS Fdn S Lucia, Rome, Italy