1 Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, North Carolina, USA.
2 Duke School of Medicine, Durham, North Carolina, USA.
3 Division of Minimally Invasive Gynecology, Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, North Carolina, USA.
4 Division of Women's Community and Population Health, Department of Obstetrics & Gynecology, Duke University Medical Center, Durham, North Carolina, USA.