Department of Neurology and Cerebrovascular Center (S.-E.K., J.Y.K., K.-J.L, J.K., B.J.K, M.-K.H., H.-J.B) and Department of Clinical Preventive Medicine (H.L.), Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam; Department of Neurology (K.-H.C, J.-T.K.), Chonnam National University Hospital, Gwangju; Department of Neurology (D.-I.S., M.-J.Y.), Chungbuk National University Hospital, Cheongju; Department of Neurology (J.-K.C., D.-H.K., H.-W.N.), Dong... (At 2020-03-03)