1. Department of Vascular and General Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
2. Department of Blood Transfusion, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
3. Department of Medical Oncology, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
4. Department of Medicine, Shandong University, Jinan, Shandong, China