1Maternal Fetal Medicine Research Program, Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Electronic address: Jennifer.mccoy@pennmedicine.upenn.edu.
2Maternal Fetal Medicine Research Program, Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
3School of Data Science, University of Virginia, Charlottesville, VA.
4Proscia Inc, Philadelphia, PA.
5Department of Family Medicine and Community Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
6Computational Health Informatics Program, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA.