| Affiliation: | 1. Department of Otolaryngology, Gangneung Asan Hospital, University of Ulsan College of Medicine, , Gangneung;2. Departments of Otorhinolaryngology–Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, , Seoul;3. Departments of Neurosurgery, Asan Medical Center, University of Ulsan College of Medicine, , Seoul;4. Departments of Otorhinolaryngology (Y.‐S.C.), Sungkyunkwan University, School of Medicine, , Seoul;5. Neurosurgery (D.‐S.K.), Samsung Medical Center, Sungkyunkwan University, School of Medicine, , Seoul;6. Departments of Otorhinolaryngology (J.‐W.K.), Seoul National University Bundang Hospital, , Bundang, Korea;7. Neurosurgery (J.‐H.H.), Seoul National University Bundang Hospital, , Bundang, Korea |
