1. Department of Urology, University Hospital of Munich, 81377 Munich, Germany
2. Department of Urology, Klinikum Mannheim, 68167 Mannheim, Germany
3. Urology and Nephrology Department, Virgen del Rocío University Hospital, Manuel Siurot s/n, 41013 Seville, Spain
4. Institute for Urology and Reproductive Health, Sechenov University, 117418 Moscow, Russia
5. Department of Urology, University of Modena and Reggio Emilia, 42122 Modena, Italy
6. Department of Urology, Hospital Clinico San Carlos, 28040 Madrid, Spain
7. Urology Unit, Azienda Ospedaliera Universitaria Integrata Verona, 37126 Verona, Italy
8. Division of Urology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
9. Department of Surgery, Candiolo Cancer Institute, FPO-IRCCS, Candiolo, 10060 Turin, Italy
10. USC Institute of Urology, University of Southern California, Los Angeles, CA 90007, USA