1. Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610064, P.R. China
2. Department of Emergency Medicine Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610064, P.R. China
3. Department of Pathology, Xinqiao Hospital, The Third Military Medical University, Chongqing 400037, P.R. China
4. Department of Spine Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
5. Department of Clinical Laboratory, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
6. Department of Spine Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China