1. Department of Urology, University of Kansas Health System, Kansas City, Kansas, USA.
2. Division of Gynecology, Department of Surgery, Boston Children's Hospital, Boston, Massachusetts, USA.
3. Department of Obstetrics and Gynecology, The University of Chicago, Chicago, Illinois, USA.
4. Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas, USA.
5. Department of Obstetrics, Gynecology and Reproductive Biology, Harvard Medical School, Boston, Massachusetts, USA.