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