1. Department of Urology, University of Illinois at Chicago, Chicago, Illinois, USA.
2. Division of Oncology/Unit of Urology, Urological Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy.
3. Vita-Salute San Raffaele University, Milan, Italy.
4. Department of Urology, University of Verona, Azienda Ospedaliera Universitaria Integrata, Verona, Italy.