1. From the Department of Neurology, Tiantan Comprehensive Stroke Center, Tiantan Hospital, Capital Medical University, Beijing, China (R.J., Y.P., G.L., P.W., Yilong Wang, H.L., Yongjun Wang); Department of Neurology, Illinois Neurological Institute, Peoria (D.W.); and Department of Statistics and Operation Research, University of North Carolina at Chapel Hill (H.S.).