1. University of California San Diego, San Diego, California
2. University of Arizona, Tucson, Arizona
3. Uropartners, Gurnee, Illinois
4. University of California San Francisco, San Francisco, California
5. University of Kansas Medical Center, Kansas City, Kansas
6. University of Minnesota, Minneapolis, Minnesota
7. University of Iowa Hospitals and Clinic, Iowa City, Iowa
8. University of Utah, Salt Lake City, Utah
9. Baylor College of Medicine, Houston, Texas
10. Lahey Hospital and Medical Center, Burlington, Massachusetts
11. Spokane Urology, Spokane, Washington
12. New York University, New York, New York