Affiliation: | 1. Department of Medicine, University of California, San Francisco, California, USA;2. Veterans Affairs Medical Center, San Francisco, California, USA;3. Department of Urology, University of California, San Francisco, California, USA;4. Research Institute, California Pacific Medical Center, San Francisco, California, USA;5. Division of Epidemiology and Community Health, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA;6. Department of Urology, George M. O'Brien Center of Research Excellence, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA;7. Department of Medicine, University of California, San Francisco, California, USA Veterans Affairs Medical Center, San Francisco, California, USA;8. Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, Oregon, USA Oregon Health and Science University-Portland State University School of Public Health, Portland, Oregon, USA |