1. Cerebrovascular Disease Research Institute, Xuanwu Hospital Capital Medical University Beijing China
2. Stroke Center Beijing Institute for Brain Disorders Beijing China
3. Beijing Key Laboratory of Hypoxia Conditioning Translational Medicine Beijing China
4. Department of Neurology Inner Mongolia Baogang Hospital Baotou Inner Mongolia China
5. China‐America Joint Institute of Neuroscience, Xuanwu Hospital Capital Medical University Beijing China
6. Pittsburgh Institute of Brain Disorders & Recovery and Department of Neurology University of Pittsburgh Pittsburgh Pennsylvania
7. Department of Neurosurgery, Xuanwu Hospital Capital Medical University Beijing China