1. Department of Gynecologic Oncology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou 450052, PR China
2. Department of Obstetrics & Gynecology, Henan Province People’s Hospital, 7 Weiwu Road, Zhengzhou 450052, PR China
3. Department of Preventive Medicine, Institute of Biomedical Informatics, Joint National Laboratory for Antibody Drug Engineering, Cell Signal Transduction Laboratory, School of Basic Medical Sciences, Henan University, Kaifeng 475004, PR China