1 From Departments of Cerebrovascular Medicine (K.T., T.U., K.T.), Neurosurgery (H.K., H.K.), Neurology (K.S.), and Pathology (H.I.-U.), National Cerebral and Cardiovascular Center, Suita, Osaka, Japan; Department of Neurology, Nara Medical University, Kashihara, Japan (R.S.); and Department of Otorhinolaryngology-Head and Neck Surgery, Osaka University Graduate School of Medicine, Suita, Japan (Y.Y.).
2 From Departments of Cerebrovascular Medicine (K.T., T.U., K.T.), Neurosurgery (H.K., H.K.), Neurology (K.S.), and Pathology (H.I.-U.), National Cerebral and Cardiovascular Center, Suita, Osaka, Japan; Department of Neurology, Nara Medical University, Kashihara, Japan (R.S.); and Department of Otorhinolaryngology-Head and Neck Surgery, Osaka University Graduate School of Medicine, Suita, Japan (Y.Y.). tuehara@ncvc.go.jp.