1. Department of Urology, Rush University, Chicago, IL 60612, USA
2. Department of Urology, Sant’Andrea Hospital, La Sapienza University, 00189 Rome, Italy
3. Department of Urology, University of Illinois at Chicago, Chicago, IL 60612, USA
4. Unit of Urology/Division of Oncology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
5. Department of Surgery, Candiolo Cancer Institute, FPO-IRCCS, Candiolo, 10060 Turin, Italy
6. Division of Urology, San Luigi Gonzaga Hospital, University of Turin, Orbassano, 10043 Turin, Italy
7. Department of Urology, Cleveland Clinic, Cleveland, OH 44106, USA