1. China
2. Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, China
3. Shenzhen Baoan Women's and Children's Hospital, Shenzhen, China
4. Sun Yat-sen University, Shenzhen, China
5. Shenzhen Children's Hospital of China Medical University, China
6. Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, China
7. Shenzhen Key Laboratory of Birth Defects Research, China
8. Longgang Maternal and Child Clinical College, China