[1] Univ Vita Salute San Raffaele, Milan, Italy
[2] IRCCS Osped San Raffaele, Unit Urol, URI, Div Expt Oncol, Milan, Italy
[3] Univ Coll London Hosp NHS Trust, Inst Anthol, Dept Urol, London, England
[4] UCL, Div Surg & Intervent Sci, London, England
[5] Androl Int Roma, Rome, Italy