1. From the Departments of Radiology (D.C.S., J.-H.L., S.J.K., C.G.C.), Neurology (S.J.C., S.U.K., J.S.K), Neurosurgery (C.J.K.), and Ophthalmology (M.K., H.-S.A.), University of Ulsan, College of Medicine, Asan Medical Center, Poongnap Dong, Songpa-Gu, Seoul, Korea; and Daejeon St. Mary’s Hospital of the Catholic University (J.K.), Chung-Gu, Daejeon, Korea.