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. Center for Neuroscience Discovery; Institute for Healthy Aging; University of North Texas Health Science Center; Fort Worth Texas
4. Department of Neurosurgery; Xuanwu Hospital; Capital Medical University; Beijing China