1. Veterans Administration/Robert Wood Johnson Clinical Scholars Program; University of California Los Angeles; Los Angeles California
2. Department of Urology; University of California Los Angeles; Los Angeles California
3. Department of Epidemiology; Gillings School of Global Public Health, University of North Carolina; Chapel Hill North Carolina
4. Lineberger Comprehensive Cancer Center; University of North Carolina; Chapel Hill North Carolina
5. Department of Urology; University of North Carolina; Chapel Hill North Carolina
6. Department of Health Policy and Management; Gillings School of Global Public Health, University of North Carolina; Chapel Hill North Carolina