[1] Univ Udine, Acad Med Ctr Hosp, Dept Expt & Clin Med Sci, Urol Unit, I-33100 Udine, Italy
[2] Univ Padua, Dept Surg Oncol & Gastrointestinal Sci, Urol Unit, Padua, Italy
[3] Univ Florence, Dept Urol, Florence, Italy
[4] Univ Milan, Dept Med Biotechnol & Translat Med, Milan, Italy
[5] Univ Naples Federico II, Dept Urol, Naples, Italy