1. Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Korea
2. Department of Neurology, Eulji University School of Medicine, Korea
3. Department of Neurology, Bundang Jesaeng General Hospital, Daejin Medical Center, Korea
4. Department of Neurology, Chungnam National University, College of Medicine, Korea
5. Department of Neurology, Gyeongsang National University Hospital, Korea
6. Department of Neurology, Kangbuk Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea
7. Department of Neurology, Ewha Womans University School of Medicine, Korea
8. Department of Neurology, National Police Hospital, Korea
9. Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Korea
10. Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Korea