1. Department of Neurosurgery, Daping Hospital, Third Military Medical University, Chongqing 400042, P.R. China
2. Chongqing Key Laboratory of Vehicle Crash/Bio‑impact and Traffic Safety, Institute for Traffic Medicine, Third Military Medical University, Chongqing 400042, P.R. China
3. Affiliated Bayi Brain Hospital P.L.A Army General Hospital, Beijing 100038, P.R. China
4. School of Public Health and Management, Chongqing Medical University, Chongqing 400016, P.R. China