1. Department of Urology, Weill-Cornell Medical College, New York Presbyterian Hospital, New York, New York
2. Urology Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
3. Urology Service, Fundacion Arturo Lopez Perez, Santiago, Chile
4. Health Outcomes Group, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
5. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York