1. Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.
2. Department of Pathology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.
3. Department of Gynecology, Shanghai First People's Hospital, Shanghai Jiao Tong University, Shanghai, China.
4. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China.