1. Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas
2. Department of Medicine, Baylor College of Medicine, Houston, Texas
3. Urology, Baylor College of Medicine, Houston, Texas
4. Texas Oncology, University of Texas M.D., Houston, Texas
5. Anderson Cancer Center, Houston, Texas
6. University of Padua, Padua, Italy
7. University of Montréal, Montréal, Québec, Canada
8. University of Southern California, Los Angeles, California
9. Ludwig-Maximilians-Universität München, Klinikum Grosshadern, Munich, Germany
10. McGill University Health Centre, Montréal, Québec, Canada
11. Laval University, Québec City, Québec, Canada
12. University of Regensburg, Regensburg, Germany
13. University of Western Ontario, London, Ontario, Canada
14. Johns Hopkins University, Baltimore, Maryland
15. University of Texas Southwestern Medical Center, Dallas, Texas
16. Department of Urology, Weill Cornell Medical Center, New York, New York