1. Department of Urology, Stanford University School of Medicine, Palo Alto, California
2. Idaho Urologic Institute, Meridian, Idaho
3. Unit of Urology/Division of Oncology, IRCCS Ospedale San Rafaele, URI, Milan, Italy
4. Department of Maternal-Infant and Urological Sciences, “Sapienza” Rome University, Policlinico Umberto I Hospital, Rome, Italy
5. Emory School of Medicine, Emory University, Atlanta, Georgia