1. Department of Urology, New York University and Manhattan Veterans Affairs Medical Center, New York, New York
2. Regional Cancer Centre, Uppsala University Hospital, Uppsala, Sweden
3. Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
4. Department of Surgery, Urology Service, Memorial Sloan-Kettering Cancer Center, New York, New York