| Affiliation: | 1. Department of Urology, David Geffen School of Medicine, University of California, Los Angeles, , Los Angeles, California;2. Greater Los Angeles Veterans Affairs Medical Center, Los Angeles, , Los Angeles, California;3. Jonsson Comprehensive Cancer Center, University of California, Los Angeles, , Los Angeles, California;4. Department of Urology, University of California, Irvine, , Irvine, California;5. Long Beach Veterans Affairs Medical Center, , Long Beach, California;6. Center for Health Policy Research and Department of Medicine, University of California, Irvine, , Irvine, California;7. Department of Health Services, Fielding School of Public Health, University of California, Los Angeles, , Los Angeles, California |
