1. Department of Reproductive Medicine, University of California San Diego, San Diego, California
2. Department of Urology, William Beaumont Hospital, Royal Oak, Michigan
3. New England Research Institute, Watertown, Massachusetts
4. Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
5. Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, Utah
6. Department of Urology, University of Maryland, Baltimore, Maryland
7. Department of Urology, University of Texas Health Sciences Center, San Antonio, Texas
8. Department of Obstetrics, Gynecology, and Reproductive Science, Magee Women's Hospital, University of Pittsburgh, Pittsburgh, Pennsylvania
9. Department of Obstetrics and Gynecology, Loyola University Medical Center, Maywood, Illinois
10. National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland
11. Department of Urology, University of Texas Southwestern, Dallas, Texas