1. Section of Urologic Oncology, School of Medicine, University of Colorado Denver, Aurora, Colorado
2. Biostatistics Center, George Washington University, Rockville, Maryland
3. Division of Kidney, Urologic, and Hematologic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases/National Institutes of Health, Bethesda, Maryland
4. Department of Urology, Medical College of Wisconsin, Milwaukee, Wisconsin
5. Department of Urology, Cornell University, New York, New York
6. Department of Urology, Northwestern University Medical School, Chicago, Illinois
7. Department of Urology, Mayo Clinic Rochester, Rochester, Minnesota
8. Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
9. Department of Urology, Baylor College of Medicine, Houston, Texas
10. Department of Urology, University of Wisconsin, Madison, Wisconsin