1. Loyola University Medical Center, Maywood, Illinois
2. South Florida Medical Research, Aventura, Florida
3. University of Texas Southwestern, Lewisville, Texas
4. Arizona Institute of Urology, Tucson, Arizona
5. Carolina Urologic Research Center, Myrtle Beach, South Carolina
6. Chesapeake Urology Research Associates, Towson, Maryland
7. The Urology Group, Cincinnati, Ohio
8. Minnesota Urology, Woodbury, Minnesota
9. Manhattan Medical Research, New York, New York
10. Urology Associates of Denver, Englewood, Colorado
11. Urology San Antonio Research, San Antonio, Texas
12. Mayo Clinic, Rochester, Minnesota
13. Cleveland Clinic, Cleveland, Ohio
14. Southern Illinois University, Springfield, Illinois
15. Western Urologic Clinic, Salt Lake City, Utah
16. University of Texas Southwestern, Dallas, Texas