1. Department of Urology, University of Michigan, Ann Arbor, Michigan
2. Department of Urology, Columbia University, New York, New York
3. Department of Urology, University of Southern California, Palo Alto, California
4. Department of Urology, Stanford University School of Medicine, Palo Alto, California
5. Department of Urology, University of Southern California, Los Angeles, California
6. Northshore Health System, Glenview, Illinois
7. Department of Urology, Mayo Clinic, Rochester, Minnesota
8. Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee
9. Department of Urology, Medical University of South Carolina, Charleston, South Carolina
10. Nomadic EBM Methodology, Smithville, Ontario, Canada
11. Department of Urology, University of California, San Francisco, San Francisco, California
12. Mason City Clinic, Mason City, Iowa
13. Department of Surgery and Epidemiology & Biostatistics, Western University, London, Ontario, Canada
14. Division of Urology, University of Pennsylvania, Philadelphia, Pennsylvania