1. Department of Hematology, Panzhihua Central Hospital, Panzhihua, Sichuan 617067, P.R. China
2. Emergency Department, Panshihua Central Hospital, Panzhihua, Sichuan 617067, P.R. China
3. Department of Vascular Surgery, Panzhihua Central Hospital, Panzhihua, Sichuan 617067, P.R. China