1. Institute of Cancer, Xinqiao Hospital, Third Military Medical University, Chongqing, China
2. Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing, China
3. Department of Obstetrics and Gynecology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
4. Biomedical Analysis Center, Third Military Medical University, Chongqing, China