1. Department of Urology, University of Washington School of Medicine, Seattle, Washington
2. Department of Urology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California
3. Jonsson Comprehensive Cancer Center, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California
4. Department of Urology, University of Virginia Health System, Charlottesville, Virginia
5. Department of Health Services, University of California-Los Angeles, Los Angeles, California