Affiliation: | 1. Institute of Medical Science, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea;2. Neuroscience Research Institute, Kangwon National University Hospital, Chuncheon, Republic of Korea;3. Department of Radiology, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea;4. Department of Otolaryngology, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea |