1. From the Department of Neurology (Y.O., J.-S.K.), College of Medicine, The Catholic University of Korea; Department of Neurology (C.H.L.), Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea; and USC Stevens Neuroimaging and Informatics Institute (G.P., H.K.), Keck School of Medicine, University of Southern California, Los Angeles.