1. Department of Surgery, Division of Urology, NorthShore University HealthSystem, Evanston, Illinois
2. Arbor Research Collaborative for Health, Ann Arbor, Michigan
3. Division of Urologic Surgery, Departments of Surgery and Anesthesiology, Washington University School of Medicine, St. Louis, Missouri
4. Department of Urology, University of Michigan Health System, Ann Arbor, Michigan
5. Department of Urology, University of Washington, Seattle, Washington
6. Department of Medical Social Sciences, Northwestern University–Feinberg School of Medicine, Chicago, Illinois
7. Dow Division of Health Services Research, University of Michigan, Ann Arbor, Michigan
8. Medical College of Wisconsin, Milwaukee, Wisconsin
9. Department of Surgery, Division of Urology, Duke University, Durham, North Carolina
10. Department of Urology, University of Iowa Carver College of Medicine, Iowa City, Iowa
11. National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland