1. Department of Obstetrics & Gynecology Dartmouth‐Hitchcock Medical Center Lebanon NH USA
2. Department of Biomedical Data Science Geisel School of Medicine at Dartmouth College Lebanon NH USA
3. Department of Epidemiology Geisel School of Medicine at Dartmouth College Lebanon NH USA
4. Geisel School of Medicine at Dartmouth College Hanover NH USA
5. Department of Obstetrics & Gynecology Maine Medical Center Portland ME USA