1. Department of Urology; Loyola University Chicago Stritch School of Medicine; Maywood Illinois
2. Department of Obstetrics and Gynecology; Loyola University Chicago Stritch School of Medicine; Maywood Illinois
3. New England Research Institutes; Watertown Massachusetts
4. Department of Urology; University of Maryland; Baltimore Maryland
5. Department of Urology; William Beaumont Hospital; Royal Oak Michigan
6. Department of Obstetrics and Gynecology; University of Utah; Salt Lake City Utah
7. Department of Urology; University of Alabama Medical Center; Birmingham Alabama
8. Department of Obstetrics and Gynecology; University of Pittsburgh; Pittsburgh Pennsylvania
9. Department of Urology; University of California; San Diego California
10. Department of Urology; Southwestern Medical Center; Dallas Texas