1. Department of Neurosurgery, The First Affiliated Hospital of Anhui Medical University , Hefei, Anhui 230022 , China
2. Department of Neurosurgery, Beijing TianTan Hospital, Capital Medical University , Beijing, 100070 , China
3. Beijing Key Laboratory of Central Nervous System Injury , Beijing Neurosurgical Institute, Beijing, 100070 , China
4. China National Clinical Research Center for Neurological Diseases , Beijing, 100070 , China
5. Department of Neurosurgery , The First People's Hospital of Tianshui, Tian Shui, Gansu, 741000 , China