1. Department of Gynecologic Oncology, Guangxi Medical University Affiliated Tumor Hospital, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
2. Department of Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
3. Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
4. Research Department, Guangxi Medical University Affiliated Tumor Hospital, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
5. Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Guangxi Medical University, Ministry of Education, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China