1. Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, PR China
2. Tianjin Neurological Institute, Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education & Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, PR China
3. Department of ICU, Tianjin Medical University General Hospital, Tianjin, PR China