1. Department of Urology, University of California, San Diego Health System2Urologic Cancer Unit, University of California, San Diego Moores Cancer Center, La Jolla3Section of Surgery, VA San Diego Healthcare System, San Diego, California
2. Division of Biostatistics, University of California, San Diego Moores Cancer Center, La Jolla5Department of Family and Preventive Medicine, University of California, San Diego School of Medicine, La Jolla
3. Department of Urology, University of California, San Diego Health System2Urologic Cancer Unit, University of California, San Diego Moores Cancer Center, La Jolla
4. Naval Medical Center San Diego, Urologic Oncology, San Diego, California
5. Department of Surgery, University of California, San Diego Health System