1. Department of Obstetrics and Gynecology Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai People's Republic of China
2. Shanghai Key Laboratory of Gynecologic Oncology, School of Medicine, Shanghai Jiao Tong University Shanghai People's Republic of China
3. International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai People's Republic of China
4. Department of Obstetrics and Gynecology Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine Shanghai People's Republic of China