1. Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA 30322, USA
2. Department of Obstetrics and Gynecology, Maine Medical Center, Portland, ME 04102, USA
3. Female Pelvic Medicine and Reconstructive Surgery, Maine Medical Partners, Portland, ME 04102, USA
4. Maine Medical Partners, Portland, ME 04102, USA