1. Department of Hematology, Xuanwu Hospital, Capital Medical University, Beijing, China
2. Beijing Key Laboratory of Hypoxia Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
3. Beijing Municipal Geriatric Medical Research Center, Beijing, China
4. Deparment of Neurology, China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing, China
5. Center of Stroke, Beijing Institute for Brain Disorder, Beijing, China