1. State Key Laboratory of Reproductive Medicine
2. Institute of Toxicology
3. School of Public Health
4. Nanjing Medical University
5. Nanjing 211166
6. Department of Hygiene Analysis and Detection
7. Nanjing
8. P. R. China
9. Wuxi Maternal and Child Health Hospital Affiliated to Nanjing Medical University
10. Wuxi 214002
11. China
12. Nanjing 210029