1. Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
2. Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, China
3. Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing, China
4. Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, China
5. Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China