1. State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
2. Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China
3. Department of Maternal, Child and Adolescent Health, School of Public Health, Nanjing Medical University, Nanjing, China
4. Scientific Education Section, The Affiliated Nanjing Maternity and Child Health Hospital of Nanjing Medical University, Nanjing, China
5. Department of Reproduction, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
6. Department of Reproduction, The Affiliated Nanjing Maternity and Child Health Hospital of Nanjing Medical University, Nanjing, China
7. Reproductive Genetic Center, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
8. Department of Obstetrics, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
9. China International Cooperation Center for Environment and Human Health, Nanjing Medical University, Nanjing, China