1. Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA;
2. Department of Obstetrics and Gynecology, Lenox Hill Hospital, Northwell Health, New York, NY, USA;
3. Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco,CA, USA;
4. Department of Obstetrics and Gynecology, North Shore University Hospital, Manhasset, NY, USA;
5. Department of Obstetrics and Gynecology, New York University, New York, NY, USA;
6. Department of Health Policy and Management, Mailman School of Public Health, Columbia University, New York, NY, USA