| Affiliation: | 1. Department of Otorhinolaryngology–Head and Neck Surgery and Biomedical Research Institute, Pusan National University Hospital, Busan;2. Department of Otorhinolaryngology–Head and Neck Surgery, School of Medicine, Pusan National University Yangsan Hospital, Yangsan, Gyeongsangnam‐do;3. Department of Otorhinolaryngology–Head and Neck Surgery, Pusan National University Yangsan Hospital, Yangsan, Gyeongsangnam‐do;4. Department of Otolaryngology–Head and Neck Surgery, Inje University Ilsan Paik Hospital and Inje University School of Medicine, Goyang, Republic of Korea |
