1 Department of Neurology, Dizziness Center, Clinical Neuroscience Center, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Republic of Korea.
2 Department of Neurology, Aerospace Center Hospital, Peking University Aerospace School of Clinical Medicine, Beijing, China.
3 Biomedical Research Institute, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
4 Department of Neurology, Seoul National University College of Medicine, Seoul, Republic of Korea.
5 Department of Neurology, Dizziness Center, Clinical Neuroscience Center, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Republic of Korea. jisookim@snu.ac.kr.
6 Department of Neurology, Seoul National University College of Medicine, Seoul, Republic of Korea. jisookim@snu.ac.kr.