1. Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
2. Department of Obstetrics and Gynecology, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
3. Department of Obstetrics and Gynecology of Shanghai Medical School, Obstetrics and Gynecology, Shanghai, China
4. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology, Shanghai, China