1. From the Department of Neurology and Stroke Center, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China (C.D., G.L., S.X., J.L., J.Z., L.C., Z.P., J.Z.); State Key Laboratory of Oncology in Southern China, Imaging Diagnosis and Interventional Center, Cancer Center, Sun Yat-Sen University, Guangzhou, China (C.X., K.P.); and Department of Internal Medicine, Eighth People’s Hospital, Guangzhou, China (C.L.).