1. Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
2. Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
3. China National Clinical Research Center for Neurological Diseases, Beijing, China
4. Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
5. Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
6. Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China