1 Department of Neurology, Korea University Medical Center, Seoul, South Korea.
2 Department of Neurology, Seoul National University College of Medicine, Seoul, South Korea.
3 Dizziness Center, Clinical Neuroscience Center, and Department of Neurology, Seoul National University Bundang Hospital, Seongnam, South Korea.
4 Research Administration Team, Seoul National University Bundang Hospital, Seongnam, South Korea.
5 Department of Neurology, Seoul National University College of Medicine, Seoul, South Korea. saideiju@gmail.com.
6 Dizziness Center, Clinical Neuroscience Center, and Department of Neurology, Seoul National University Bundang Hospital, Seongnam, South Korea. saideiju@gmail.com.
7 The MTV (Migraine, Tinnitus, and Vertigo) Clinic, Oh Neurology Center, Daegu, South Korea.