1. Departments of Obstetrics and Gynecology & Urology, Loyola University Chicago, Stritch School of Medicine, Chicago, Illinois
2. Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
3. Department of Obstetrics and Gynecology, University of Utah, Salt Lake, Utah
4. Division of Urology, University of California, San Diego, San Diego, California
5. Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania
6. Division of Urology, University of Maryland School of Medicine, Baltimore
7. Department of Urology, University of Texas Southwestern Medical Center, Dallas
8. Department of Urology, University of Texas, San Antonio, Texas
9. Department of Urology, William Beaumont Hospital, Royal Oak, Michigan
10. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
11. New England Research Institutes, Watertown, Massachusetts
12. Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire