1. From the Department of Neurology, Bundang Jesaeng General Hospital, Seongnam, Korea (B.-S.K.); Department of Neurology, Samsung Medical Center (B.-S.K., O.Y.B., C.-S.C., K.H.L., G.-M.K) and Department of Neurology, Kangbuk Samsung Hospital (P.-W.C.), Sungkyunkwan University School of Medicine, Seoul, Korea; Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea (K.-Y.P.); and Samsung Advanced Institute for Health Sciences and Technology,...