Affiliation: | 1.Department of Neurology, Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, South Korea ;2.Department of Neurology, Biomedical Research Institute, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Busan, South Korea ;3.Department of Neurology, Kyungpook National University School of Medicine, Daegu, South Korea ;4.Department of Neurology, Chonnam National University Medical School, Chonnam National University Hospital, Gwangju, South Korea ;5.Department of Neurology, Chungnam National University School of Medicine, Daejeon, South Korea ;6.Department of Neurology, Dizziness Center, Seoul National University Bundang Hospital, Seongnam, South Korea ;7.Research Administration Team, Seoul National University Bundang Hospital, Seongnam, South Korea ;8.Department of Neurology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi, 463-707, South Korea ; |