1. From the Department of Neurology (I.K., S.A., J.K., S.-H.Y., J.Y., J.-H.B., H.S.N., Y.D.K., J.H.H.), Severance Biomedical Science Institute (I.K., J.H.H.), Severance Integrative Research Institute for Cerebral and Cardiovascular Diseases (I.K., S.A., J.K., S.-H.Y., H.S.N., Y.D.K., H.-J.C., J.H.H.), and Department of Biostatistics (H.S.L.), Yonsei University College of Medicine, Seoul, Korea.