1. Department of Neurosurgery, Affiliated Hospital of Taishan Medical University, Life Science Research Center of Taishan Medical University, Taian, 271000, P.R. China
2. Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin Neurological Institute, Key Laboratory of Post-trauma Neuro-repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, 300052, P.R. China
3. Department of Hematopathology, Affiliated Taishan Hospital of Taishan Medical University, Taian, 271000, P.R. China