1. Obstetrics and Gynecology HospitalFudan UniversityShanghaiChina
2. The Shanghai Key Laboratory of Female Reproductive Endocrine-Related DiseasesShanghaiChina
3. Department of Obstetrics and GynecologyDuke University School of MedicineDurhamNorth CarolinaUSA
4. Ministry of Education–Shanghai Key Laboratory of Children's Environmental HealthShanghaiChina
5. Institutes of Biochemical SciencesFudan UniversityShanghaiChina
6. The Shanghai Key Laboratory of Birth DefectsShanghaiChina