1. From the Department of Neurology (J.Y., J.-H.H., S.-I.S.), Keimyung University School of Medicine, Daegu, Korea
2. Department of Radiology (J.W.C.), Ajou University School of Medicine, Suwon, Korea
3. Department of Neurology (S.-J.L., J.M.H., J.S.L.), Ajou University School of Medicine, Suwon, Korea
4. Department of Neurosurgery, Brain Research Institute (C.-H.K.), Keimyung University School of Medicine, Daegu, Korea
5. Department of Neurology (Y.-W.K., Y.-H.H.), Kyungpook National University School of Medicine, Daegu, Korea
6. Department of Neurosurgery (D.-H.K.), Kyungpook National University School of Medicine, Daegu, Korea
7. Department of Radiology (Y.-S.K.), Kyungpook National University School of Medicine, Daegu, Korea
8. Department of Neurology, Medical University of South Carolina, Charleston (B.O.)
9. Department of Clinical Neurosciences and Radiology, Hotchkiss Brain Institute, University of Calgary, AB, Canada (A.M.D.).