1. Department of Gynecology, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Zhengzhou, Henan 450003, China
2. The Third People’s Hospital of Zhengzhou, Henan Province 450000, China
3. Henan University of Science and Technology, Henan Province 450000, China
4. Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou 450008, China