1. Department of Obstetrics and Gynecology, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
2. Department of Radiation Oncology, Xijing Hospital, The Fourth Military Medical University, Xi’an, China
3. The State Key Laboratory of Cancer Biology, Biotechnology Center, School of Pharmacy, The Fourth Military Medical University, Xi’an, China
4. Department of Gynecology and Obstetrics, The People’s Liberation Army 323 Hospital, Xi’an, China
5. Department of Pathology, Xijing Hospital, The Fourth Military Medical University, Xi’an, China