1. Department of Gynecology and Obstetrics, Tianjin First Center Hospital, Tianjin, China
2. Department of Immunology, Nankai University School of Medicine, Tianjin, China
3. State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences, Tianjin, China
4. Department of Pathology, Tianjin First Center Hospital, Tianjin, China
5. Department of Gynecology Oncology, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin, China