1. Department of Surgery; Division of Urology; Cedars-Sinai Medical Center; Los Angeles, California
2. Department of Urology; David Geffen School of Medicine; University of California; Los Angeles, California
3. University of Hawaii Medical School; Honolulu, Hawaii
4. Southern California Evidence-Based Practice Center; RAND Corporation; Santa Monica, California
5. Department of Medicine; Los Angeles; David Geffen School of Medicine; University of California; Los Angeles, California
6. Veterans' Administration; Greater West Los Angeles Medical Center; Los Angeles, California
7. Health Services; School of Public Health; University of California; Los Angeles, California