1. International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, The China Welfare Institute, Shanghai, China
2. Institute of Embryo-Fetal Original Adult Diseases, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
3. Department of Obstetrics and Gynecology, The Second Affiliated Hospital (Jiande Branch), Medical School of Zhejiang University, The First People's Hospital of Jiande, Hangzhou, China
4. The Key Laboratory of Reproductive Genetics, Ministry of Education (Zhejiang University), Hangzhou, China
5. Department of Pathology and Pathophysiology, School of Medicine, Zhejiang University, Hangzhou, China