1. Department of Neurology; Beijing Tiantan Hospital; Capital Medical University; Beijing China
2. Department of Respiratory; Kailuan Hospital; North China University of Science and Technology; Tangshan China
3. Department of General Practice Medical; Kailuan General Hospital; Tangshan China
4. Department of Neurology; Kailuan General Hospital; Tangshan China
5. Department of Cardiology; Kailuan Hospital; North China University of Science and Technology; Tangshan China
6. Department of Internal Medcine; Maternal and Child Health Hospital of Tangshan; Tangshan China
7. Department of Intensive Care Unit; Kailuan Hospital, North China University of Science and Technology; Tangshan China
8. China National Clinical Research Center for Neurological Diseases; Beijing China
9. Center of Stroke; Beijing Institute for Brain Disorders; Beijing China
10. Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease; Beijing China