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