1 Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL.
2 Departments of Pathology and Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, PA; Center for Medical Genetics and Genomics, UPMC Magee-Womens Hospital, Pittsburgh, PA.
3 Department of Obstetrics & Gynecology and Women's Health, Montefiore Medical Center, Albert Einstein College of Medicine, New York, NY.
4 Department of Obstetrics and Gynecology, Prisma Health, Columbia, SC.