1. Department of Neurology (S-UL), Korea University Medical Center; Neurotology and Neuro-ophthalmology Laboratory (S-UL, EP), Korea University Anam Hospital; Department of Otorhinolaryngology-Head and Neck Surgery (EP), Korea University College of Medicine, Seoul, South Korea; Biomedical Research Institute (H-JK), Seoul National University Bundang Hospital, Seongnam, South Korea; Department of Neurology (J-YC, J-SK), Seoul National University College of Medicine, Seoul, South Korea; and Dizziness...