1. Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.
2. Department of Obstetrics and Gynecology, Tongji Hospital Affiliated to Tongji University, Shanghai, China.
3. Department of Obstetrics and Gynecology, Shanghai General Hospital of Shanghai Jiaotong University School of Medicine, Shanghai, China.
4. Department of Obstetrics and Gynecology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China.
5. Department of Gynecologic Oncology, The International Peace Maternity & Child Health Hospital (IPMCH) of China Welfare Institute (CWI), Shanghai, China.
6. Department of Obstetrics and Gynecology, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China.