1. The Laboratory of Genetics and Metabolism, Hunan Children's Research Institute, Hunan Children's Hospital, University of South China, Changsha, China
2. Institute of Emergency Medicine, People's Hospital of Hunan Province, Changsha, China
3. BGI-Shenzhen, Shenzhen, China
4. Division of Neonatology, Hunan Children's Hospital, University of South China, Changsha, China
5. State Key Laboratory of Medical Genetics, Central South University, Changsha, China