Affiliation: | 1. Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea;2. Department of Neurology, Myongji Hospital, Goyang, South Korea;3. Department of Neurology, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, South Korea;4. Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, South Korea |