1. Department of Urology, Luzerner Kantonsspital, Lucerne, Switzerland.
2. Department of Urology, Spedali Civili Hospital of Brescia, University of Brescia, Brescia, Italy.
3. Division of Experimental Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy.
4. University Vita-Salute San Raffaele, Milan, Italy.