1. Department of Urology, Smith Institute for Urology, North Shore LIJ, New Hyde Park, New York
2. Department of Urology, Mayo Clinic, Rochester, Minnesota
3. Department of Urology, University of California, Irvine, California
4. USC Institute of Urology, University of Southern California, Los Angeles, California
5. Department of Urology, University of Chicago, Chicago, Illinois
6. Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland