1. From the Department of Neurology, Cerebrovascular Center, Seoul National University Bundang Hospital, Seongnam-si, South Korea (B.J.K., M.-K.H., H.-J.B.)
2. Department of Neurology, Ilsan Paik Hospital, Inje University, Goyang, South Korea (Y.-J.C., K.-S.H.)
3. Department of Neurology, Yeungnam University Hospital, Daegu, South Korea (J.L.)
4. Department of Neurology, Chonnam National University Medical School and Hospital, Gwangju, South Korea (J.-T.K., K.H.C.)
5. Department of Neurology, Seoul Medical Center, South Korea (T.H.P., S.-S.P.)
6. Department of Neurology, Eulji General Hospital (J.-M.P., K.K.)
7. Department of Neurology, Eulji University Hospital (S.J.L., J.G.K.), Eulji University, Daejeon, South Korea
8. Department of Neurology, Dong-A University College of Medicine, Busan, South Korea (J.-K.C., D.-H.K., H.-W.N.)
9. Department of Neurology, Hallym University Sacred Heart Hospital, Anyang, South Korea (B.-C.L., K.-H.Y., M.-S.O.)
10. Department of Neurology, Dongguk University Ilsan Hospital, Goyang, South Korea (D.-E.K., W.-S.R.)
11. Department of Neurology, Jeju National University, South Korea (J.C.C.)
12. Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, South Korea (W.-J.K.)
13. Department of Neurology, Chungbuk National University Hospital, Cheongju, South Korea (D.-I.S., M.-J.Y.)
14. Department of Neurology, Keimyung University Dongsan Medical Center, Daegu, South Korea (S.I.S., J.-H.H.)
15. Clinical Research Center, Asan Medical Center, Seoul, South Korea (J.S.L.)
16. Department of Biostatistics, College of Medicine, Korea University, Seoul, South Korea (J.L.)
17. Department of Translational Science and Molecular Medicine, Mercy Health Hauenstein Neurosciences, Michigan State University College of Human Medicine, Grand Rapids (P.B.G.).