1 Department of Obstetrics and Gynecology, Duke University Medical Center, 2608 Erwin Rd. Ste. 220, Durham, NC 27705. Electronic address: [email protected].
2 Department of Obstetrics and Gynecology, Duke University Medical Center, 2608 Erwin Rd. Ste. 220, Durham, NC 27705.
3 Department of Obstetrics and Gynecology, University of New Mexico, Albuquerque, NM.
4 Department of Obstetrics and Gynecology, Wake Forest School of Medicine Atrium Health, Charlotte, NC.
5 Department of Obstetrics and Gynecology, Indiana University, Indianapolis, IN.
6 Department of Obstetrics and Gynecology, Duke University, Durham, NC.