1. From the Department of Neurology (S.-H.L., H.-M.K., M.K., B.-W.Y.), Seoul National University, Seoul, Republic of Korea; and the Neuroscience Research Institute (S.-H.L., H.-M.K., Y.-J.K., K.-M.L., M.K., B.-W.Y.), SNUMRC and Clinical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.