1. School of Laboratory Science, Tianjin Medical University, Tianjin, China
2. The Department of Clinical Laboratory, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
3. The Department of Laboratory Science, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin, China
4. The Department of Laboratory Science, Tianjin Fourth Central Hospital, Tianjin, China