1. From the Department of Medicine and Therapeutics (V.M., J.Y., A.W., K.S.W.), Department of Radiology & Organ Imaging (W.W.C.C., D.W., J.M.A.), The Chinese University of Hong Kong, Shatin, Hong Kong Special Administrative Region, China; Department of Neurology (D.D., J.F., Q.Z., Q.G., Z.H.), Huashan Hospital, Fudan University, Shanghai, China; Department of Neurology (Y.X.), Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, China.