1. Department of Urology, Stanford University School of Medicine, Stanford, California
2. Department of Obstetrics/Gynecology, Stanford University School of Medicine, Stanford, California
3. Departments of Urology and Dermatology, Stanford University School of Medicine, Stanford, California
4. Department of Internal Medicine, Stanford University School of Medicine, Stanford, California
5. Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California