1 The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; China Alliance of Translational Medicine for Maternal and Children's Health, Beijing, China.
2 Henan Provincial Maternal and Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan, China; China Alliance of Translational Medicine for Maternal and Children's Health, Beijing, China.
3 The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China.
4 The First Hospital of Chongqing Medical University, Chongqing, China.
5 The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Peking University Center of Medical Genetics, Beijing, China; Global Network of Maternal and Infant Health, March of Dimes Foundation, White Plain, NY, USA; New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY 10314, USA; China Alliance of Translational Medicine for Maternal and Children's Health, Beijing, China. Electronic address: nanbert.zhong@opwdd.ny.gov.