1. Mother Infant Research Institute, Tufts Medical Center, Boston, Massachusetts
2. Illumina, Redwood City, California
3. Center for Genetics and Maternal Fetal Medicine, Springfield, Oregon
4. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Minnesota, Minneapolis
5. Dana-Farber Cancer Institute, Boston, Massachusetts
6. Division of Maternal Fetal Medicine and Reproductive Genetics, Department of Obstetrics and Gynecology, Brigham and Women’s Hospital, Boston, Massachusetts
7. University of North Carolina, Chapel Hill
8. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk
9. San Francisco Perinatal Associates, San Francisco, California
10. Sharp Rees-Stealy Medical Group, San Diego, California