1. Harvard Medical School, Boston, Massachusetts
2. Division of Maternal Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Biology, Massachusetts General Hospital, Boston, Massachusetts
3. Department of Obstetrics, Gynecology, and Reproductive Biology, Massachusetts General Hospital, Boston, Massachusetts
4. Deborah Kelly Center for Outcomes Research, Massachusetts General Hospital, Boston, Massachusetts
5. Department of Biostatistics, Biostatistics, Massachusetts General Hospital, Boston, Massachusetts
6. Diabetes Unit, Massachusetts General Hospital, Boston, Massachusetts
7. Broad Institute, Cambridge, Massachusetts