1. Department of Neurology Chonbuk National University Hospital and School of Medicine Jeonju Korea
2. Research Institute of Clinical Medicine of Chonbuk National University, Biomedical Research Institute of Chonbuk National University Hospital Jeonju Korea
3. Preventive Medicine Chonbuk National University Hospital and School of Medicine Jeonju Korea
4. Department of Neurology Seoul National University College of Medicine Seoul Korea
5. Dizziness Center Clinical Neuroscience Center Seoul National University Bundang Hospital Seongnam Korea
6. Department of Neurology Seoul National University Bundang Hospital Seongnam Korea
7. Department of Neurology Ludwig‐Maximilians‐University Munich Germany
8. German Center for Vertigo and Balance Disorders (IFBLMU) Ludwig‐Maximilians University Munich Germany