1. From the Department of Neurology, Ajou University School of Medicine, Ajou University Hospital, Suwon, Korea (S.-U.L.); Department of Neurology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea (S.-H.P., M.-K.H., H.-J.B., J.-S.K.); Department of Radiology, Samsung Medical Center, Seoul, South Korea (J.-J.P.); and Department of Biomedical Laboratory Science, Kyungdong University, Goseong-Gun, Gangwon-do, Korea (H.J.K.).