1. Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, PA, USA,
2. University of South Florida Morsani College of Medicine, Tampa, FL, USA,
3. Department of Obstetrics and Gynecology, The Reading Hospital, Reading, PA, USA,
4. Department of Obstetrics and Gynecology, St. Luke’s University Hospital, Bethlehem, PA, USA,
5. Department of Obstetrics and Gynecology, Pennsylvania State University College of Medicine, Hershey, PA, USA, and
6. Department of Public Health Sciences, Pennsylvania State University College of Medicine, Hershey, PA, USA