1. Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China
2. First School of Clinical Medicine, Southern Medical University, Guangzhou, China
3. Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
4. Department of Neonatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
5. Department of Medical Genetics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
6. Department of Developmental Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
7. March of Dimes Global Network for Maternal and Infant Health, White Plains, NY, USA
8. Department of Human Genetics, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA