1. Department of Neurology, Xuan Wu Hospital Capital Medical University Beijing China
2. Department of Neurology, Beijing Shijitan hospital Capital Medical University Beijing China
3. Beijing Key Laboratory of Hypoxia Conditioning Translational Medicine, Xuan Wu Hospital Capital Medical University Beijing China
4. Department of Neurosurgery Beijing Fengtai You'anmen Hospital Beijing China
5. Department of Radiology, Beijing Chaoyang Hospital Capital Medical University Beijing China
6. Department of Neurosurgery, Xuan Wu Hospital Capital Medical University Beijing China