1. Department of Urology, University of Minnesota, Minneapolis, Minnesota
2. Department of Urology, University of Utah, Salt Lake City, Utah
3. Department of Urology, University of Washington Medical Center, Seattle, Washington
4. Department of Urology, Baylor College of Medicine, Houston, Texas
5. Department of Urology, University of Iowa, Iowa City, Iowa
6. Department of Urology, Lahey Hospital and Medical Center, Burlington, Massachusetts
7. Department of Urology, University of California-San Francisco, San Francisco, California