1. From the Department of Medicine and Therapeutics (Y.H.F., L.Z., V.M., K.S.W.,) and Department of Radiology and Organ Imaging (W.W.M.L.), Chinese University of Hong Kong, Shatin, Hong Kong; Department of Neurology, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou (Y.H.F.); and Department of Neurology, First Affiliated Hospital of Wenzhou Medical College, Wenzhou (L.Z.), China.