1. From the Division of Neurology, Department of Medicine and Therapeutics (J.Y., X.-Y.C., T.W.L., V.M., Y.S., K.-S.W.), Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong, China; Department of Psychiatry (Y.-K.C.), Chinese University of Hong Kong, Hong Kong SAR, China; and the Department of Neurology (J.-H.F.), Huashan Hospital, Fudan University, Shanghai, China.