1. Division of Public Health Sciences, Department of Surgery, Alvin J. Siteman Cancer Center, Washington University School of Medicine, St Louis, Missouri
2. Department of Obstetrics and Gynecology, Washington University School of Medicine, St Louis, Missouri
3. Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
4. Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
5. Department of Urology, University of Michigan, Ann Arbor, Michigan
6. Department of Urology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
7. Division of Urologic Surgery, Department of Surgery,Washington University School of Medicine, St Louis, Missouri
8. Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri
9. Department of Medicine, Geffen School of Medicine, University of California–Los Angeles, Los Angeles, California
10. Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington