1. China National Clinical Research Center for Neurological Diseases, Beijing (X.X., J.J., X.M., Z.L., X.Z., Yilong Wang, Q.X., A.W., Y.J., H.L., Yongjun Wang).
2. Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China (X.X., J.J., X.M., Z.L., X.Z., Yilong Wang, Q.X., A.W., Y.J., H.L., Yongjun Wang).
3. Tiantan Neuroimaging Center of Excellence, Beijing, China (J.J.).
4. Department of Neurology, University of California, San Francisco (S.C.J.).
5. Stroke Trials Unit, Mental Health and Clinical Neuroscience, University of Nottingham, United Kingdom (P.M.B.).