| Affiliation: | 1. Department of Anesthesiology and Pain Medicine, Chonbuk National University, Jeonju;2. Department of Otolaryngology–Head and Neck Surgery, College of Medicine, Chonbuk National University, Jeonju;3. Research Institute of Clinical Medicine of Chonbuk National University–Biomedical Research Institute of Chonbuk National University Hospital, Jeonju;4. Department of Otorhinolaryngology–Head and Neck Surgery, Seoul National University College of Medicine and Seoul National University Hospital, Seoul, Republic of Korea |
