1. Tianjin Pediatric Research Institute Tianjin Children’s Hospital Tianjin China
2. Tianjin Key Laboratory of Prevention and Treatment of Birth Defects Tianjin China
3. Department of Neonatalogy Tianjin Children’s Hospital The Pediatric Clinical College in Tianjin Medical University Tianjin China
4. Department of Physiology Tianjin Medical College Tianjin China
5. Department of Internal Medicine Quyang County People's Hospital Baoding China
6. Department of Neurosurgery Tianjin Children’s Hospital Tianjin China
7. Department of Neurology Tianjin Children’s Hospital Tianjin China
8. Department of Respiration Tianjin Children’s Hospital Tianjin China