[1] Osped Sacro Cuore Don Calabria IRCCS, Dept Urol, Negrar, VR, Italy
[2] Univ Verona, Azienda Osped Univ Integrata Verona, Dept Urol, Verona, Italy
[3] Univ G dAnnunzio, Dept Neurosci Imaging & Clin Sci, Chieti, Italy
[4] Policlin Abano Terme, Dept Urol, Abano Terme, Italy
[5] Univ Southern Calif, Catherine & Joseph Aresty Dept Urol, USC Norris Inst Urol, Los Angeles, CA 90007 USA