1 Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of California, Los Angeles, CA (Mei, Murali, and Han).
2 Division of Reproductive Genetics, Department of Obstetrics and Gynecology, University of California, Los Angeles, CA (Nitka and Saitta).
3 Division of Clinical Genetics, Department of Human Genetics, University of California, Los Angeles, CA (Kang and Saitta); Department of Pathology and Laboratory Medicine, University of California, Los Angeles, CA (Kang).
4 Division of Reproductive Genetics, Department of Obstetrics and Gynecology, University of California, Los Angeles, CA (Nitka and Saitta); Division of Clinical Genetics, Department of Human Genetics, University of California, Los Angeles, CA (Kang and Saitta).
5 Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of California, Los Angeles, CA (Mei, Murali, and Han). Electronic address: CSHan@mednet.ucla.edu.