1. Department of Oncology, Hebei General Hospital, Shijiazhuang, China.
2. Graduate School, North China University of Science and Technology, Tangshan, China.
3. Graduate School, Hebei North University, Zhangjiakou, China.
4. Department of Pathology, and Hebei General Hospital, Shijiazhuang, China.
5. Department of Emergency, Hebei General Hospital, Shijiazhuang, China.