1. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
2. University of California San Francisco, San Francisco, California
3. University of Chicago Medical Center, Chicago, Illinois
4. Texas Health Presbyterian Hospital of Dallas, Dallas, Texas
5. Weill Cornell Medical College, New York, New York
6. National Cancer Institute, National Institutes of Health, Bethesda, Maryland
7. NYU Langone Medical Center, New York, New York
8. Chesapeake Urology Associates, Baltimore, Maryland
9. Wake Forest Baptist Medical Center, Winston-Salem, North Carolina