1. Department of Neurology Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine Seoul South Korea
2. Department of Neurology Neuroscience Center, Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul South Korea
3. Department of Neurology Uijeongbu St. Mary’s Hospital Uijeongbu South Korea
4. Department of Neurology Chuncheon Sacred Heart Hospital, Hallym University College of Medicine Chuncheon South Korea
5. Department of Neurology Eulji Hospital, Eulji University Seoul South Korea
6. Department of Neurology Severance hospital Seoul South Korea
7. Department of Neurology Inje University College of Medicine Seoul South Korea
8. Department of Neurology Seoul Medical Center Seoul South Korea
9. Department of Neurology Presbyterian Medical Center Jeonju South Korea
10. Department of Neurology Gyeongsang National University College of Medicine Jinju South Korea
11. Department of Neurology College of Medicine, The Catholic University of Korea Suwon Korea
12. Department of Neurology Chungnam National University College of Medicine Daejeon Korea
13. Department of Neurology Dongtan Sacred Heart Hospital, Hallym University College of Medicine Hwaseong South Korea