1. Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
2. Department of Neurology, Uijeongbu St. Mary’s Hospital, Catholic University of Korea College of Medicine, Uijeongbu, Korea
3. Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
4. Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
5. Department of Neurology, Inje University College of Medicine, Seoul, Korea
6. Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea
7. Department of Neurology, Eulji University School of Medicine, Seoul, Korea
8. Department of Neurology, Bundang Jesaeng General Hospital, Daejin Medical Center, Seongnam, Korea
9. Department of Neurology and Institute of Health Science, Gyeongsang National University College of Medicine, Jinju, Korea
10. Department of Neurology, Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Korea
11. Dr. Choi’s Neurology Clinic, Jeonju, Korea
12. Department of Neurology, Chung-Ang University Hospital, Seoul, Korea
13. Department of Neurology, Korea University College of Medicine, Seoul, Korea
14. Department of Neurology, Seoul Medical Center, Seoul, Korea
15. Department of Neurology, Seoul St. Mary’s Hospital, Catholic University of Korea College of Medicine, Seoul, Korea
16. Department of Neurology, The Catholic University of Korea, St Vincent's Hospital, Suwon, Republic of Korea
17. Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea