1. Department of Neurology; Xuanwu Hospital; Capital Medical University; Beijing China
2. Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine; Xuanwu Hospital; Capital Medical University; Beijing China
3. Department of Neurosurgery; Xuanwu Hospital; Capital Medical University; Beijing China
4. Department of Neurology; Brain Hospital of Cangzhou Central Hospital; Hebei China