1. Division of Urology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania.
2. Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas.
3. Department of Urology, New York-Presbyterian Hospital–Weill Cornell Medical Center, New York, New York.
4. Division of Urologic Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania.
5. Section of Urology, University of Chicago Medical Center, Chicago, Illinois.