1. Department of Neurology and Cerebrovascular Center Seoul National University Bundang HospitalSeoul National University College of Medicine Seongnam Republic of Korea
2. Department of Neurology Chonnam National University Hospital Gwangju Republic of Korea
3. Department of Neurology Chungbuk National University Hospital Cheongju Republic of Korea
4. Department of Neurology Dong‐A University HospitalDong‐A University College of Medicine Busan Republic of Korea
5. Department of Neurology Dongguk University Ilsan Hospital Goyang Republic of Korea
6. Department of Neurology Eulji General Hospital Seoul Republic of Korea
7. Department of Neurology Eulji University HospitalEulji University Daejeon Republic of Korea
8. Department of Neurology Hallym University Sacred Heart Hospital Anyang Republic of Korea
9. Department of Neurology Ilsan Paik HospitalInje University Goyang Republic of Korea
10. Department of Neurology Jeju National University HospitalJeju National University School of Medicine Jeju Republic of Korea
11. Department of Neurology Keimyung University Dongsan Medical Center Daegu Republic of Korea
12. Department of Neurology Seoul Medical Center Seoul Republic of Korea
13. Department of Neurology College of Medicine Soonchunhyang University Hospital Seoul Republic of Korea
14. Department of Neurology Ulsan University HospitalUlsan University College of Medicine Ulsan Republic of Korea
15. Department of Neurology Yeungnam University Hospital Daegu Republic of Korea
16. Clinical Research Center Asan Medical Center Seoul Republic of Korea
17. Department of Biostatistics Korea University College of Medicine Seoul Republic of Korea
18. Davee Department of Neurology Feinberg School of Medicine Chicago IL
19. Department of Translational Neuroscience College of Human Medicine Michigan State University Grand Rapids MI