Affiliation: | 1.Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, Republic of Korea ;2.Department of Neurology, Korea University College of Medicine, Korea University Medical Center, 73 Goryeodae-ro, Seongbuk-gu, Seoul, Republic of Korea ;3.Department of Neurology, Seoul National University College of Medicine, Seoul, Republic of Korea ;4.Dizziness Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea ; |