Department of Neurosurgery Affiliated Hospital of Hebei University Baoding 071000 China;
Department of Neurosurgery Hebei University Medical College Baoding 071000 China;
Lab of Neuro-oncology Tianjin Neurological Institute Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System Tianjin Medical University General Hospital Tianjin 300052 China;
Department of Oncology Affiliated Cancer Hospital & Institute of Guangzhou Medical University Guangzhou 510095 China;
Department of Pathology Hebei University Medical College Baoding 071000 China;
Department of Pathology Affiliated Hospital of Hebei University Baoding 071000 China;