1. Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
2. Tianjin Neurological Institute, Key Laboratory of Post-Neurotrauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education in China and Tianjin, Tianjin, China
3. Department of Neurosurgery, Fujian Medical University Provincial Clinical Medical College, Fuzhou, China