1. From the Department of Urology, David Geffen School of Medicine and School (MSL, CSS), Department of Health Services, School of Public Health (MSL, EMY) and Jonsson Comprehensive Cancer Center (MSL), University of California and Veterans Affairs Health Services Research and Development Center for Excellence, Veterans Affairs Greater Los Angeles Healthcare System (EMY, MW) and RAND HEALTH (MSL, CSS, CA, SAG, JMH, GFJ, RM, JP, SMP), Santa Monica, California