1. Department of Neurology Beijing Tiantan Hospital Capital Medical University Beijing China
2. China National Clinical Research Center for Neurological Diseases Beijing China
3. Center of Stroke Beijing Institute for Brain Disorders Beijing China
4. Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease Beijing China
5. Department of Epidemiology and Health Statistics School of Public Health Capital Medical University Beijing China
6. Department of Neurology Beijing Sanbo Brain Hospital Capital Medical University Beijing China
7. Department of Cardiology Kailuan Hospital Tangshan China