1. Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas
2. Division of Urology, Sidney Kimmel Center for Prostate and Urologic Cancer, Memorial Sloan-Kettering Cancer Center, New York, New York
3. Centre de recherche en cancérologie de l'Université Laval, L'Hôtel-Dieu de Québec, Le Centre Hospitalier Universitaire de Québec
4. Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas
5. Cancer Prognostics and Health Outcomes Unit, University of Montreal, Montreal, Quebec, Canada