1. University of Texas Southwestern Medical Center, Dallas, Texas.
2. New York Presbyterian Hospital, Weill Medical College of Cornell University, New York, New York.
3. University of Texas M.D. Anderson Cancer Center, Houston, Texas.
4. Medical University of Graz, Graz, Austria.
5. Keio University School of Medicine, Tokyo, Japan.
6. University of Michigan, Ann Arbor, Michigan.
7. Division of Urology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania.
8. Medical University of Vienna, Vienna, Austria.
9. Vita-Salute University, Milan, Italy.
10. Mannheim Medical Center, University of Heidelberg, Mannheim, Germany.
11. McGill University, Montreal, Quebec, Canada.