1. From the Department of Neurology (L.L., Y.W.), Beijing Tiantan Hospital, Capital Medical University, Beijing, China; the Department of Neurology (D.W.), OSF Healthcare Systems and INI Stroke Network, University of Illinois College of Medicine at Peoria, Peoria, IL; and the Department of Medicine & Therapeutics (K.S.W.), Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong SAR.