1. Department of Neurology, Konkuk University Hospital; Konkuk University School of Medicine; Seoul Korea
2. Department of Neurology; Inha University School of Medicine; Incheon Korea
3. Department of Neurology; Seoul National University College of Medicine; Seoul Korea
4. Department of Neurology; Chungnam National University School of Medicine; Daejeon Korea
5. Department of Neurology; Ajou University School of Medicine; Suwon Korea
6. Department of Neurology; National Health Insurance Corporation Ilsan Hospital; Goyang Korea
7. Department of Neurology; Changwon Fatima Hospital; Changwon Korea
8. Department of Neurology; Dong-A Medical Center, Dong-A University College of Medicine; Busan Korea
9. Department of Neurology; International St. Mary's Hospital, College of Medicine, Catholic Kwandong University; Incheon Korea
10. Department of Neurology; Myongji Hospital, Seonam University College of Medicine; Goyang Korea
11. Department of Neurology; Pusan National University Hospital, Pusan National University School of Medicine and Medical Research Institute; Busan Korea
12. Department of Neurology; The Catholic University of Korea, Bucheon St. Mary's Hospital; Bucheon Korea