1. From the Department of Neurology, Beijing Tiantan Hospital (Y.P., J.J., X.M., H.L., Yongjun Wang, X.Z., L.L., Yilong Wang) and Department of Epidemiology and Health Statistics, School of Public Health (Y.P.), Capital Medical University, Beijing, China; China National Clinical Research Center for Neurological Diseases, Beijing (Y.P., J.J., X.M., H.L., Yongjun Wang, X.Z., L.L., Yilong Wang); Center of Stroke, Beijing Institute for Brain Disorders, China (Y.P., J.J., X.M., H.L., Yongjun Wang, X.Z., L.L...