1. Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine Stanford University School of Medicine Stanford CA USA
2. Department of Obstetrics and Gynecology The Sheba Medical Center Tel Hashomer Israel
3. Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine University of California, San Francisco CA USA
4. Department of Obstetrics and Gynecology The Kaplan Medical Center Rehovot Israel
5. Bakar Computational Health Sciences Institute University of California, San Francisco CA USA
6. Department of Pediatrics, Division of Neonatal and Developmental Medicine Stanford University School of Medicine Stanford CA USA