1. Department of Neurology, Inha University Hospital, Incheon, Korea
2. Department of Neurology, Hana General Hospital, Cheongju, Korea
3. Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
4. Neuroscience Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
5. Department of Neurology, Gyeongsang Institute of Health Science, Gyeongsang National University, College of Medicine, Jinju, Korea
6. Department of Neurology, Gyeongsang National University Hospital, Jinju, Korea
7. Department of Neurology, Gyeongsang National University Changwon Hospital, Changwon, Korea
8. Department of Neurology, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
9. Department of Medicine, Division of Hematology-Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
10. Department of Medicine, Division of Cardiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
11. Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University, Seoul, Korea