| Affiliation: | 1. Department of Otorhinolaryngology, Pundang Jesaeng Hospital, Deajin Medical Center, Seongnam, Gyeonggi, Korea;2. Department of Otorhinolaryngology–Head and Neck Surgery, Pusan National University School of Medicine and Biomedical Research Institute, Busan, Korea;3. Department of Otorhinolaryngology–Head and Neck Surgery, Pusan National University School of Medicine and Biomedical Research Institute, Yangsan, Kyeongnam, Korea;4. Department of Pathology, Pusan National University School of Medicine and Biomedical Research Institute, Yangsan, Kyeongnam, Korea;5. Department of Internal Medicine, Pusan National University School of Medicine and Biomedical Research Institute, Busan, Korea;6. Department of Internal Medicine, Pusan National University School of Medicine and Biomedical Research Institute, Yangsan, Kyeongnam, Korea;7. Department of Otorhinolaryngology–Head and Neck Surgery, Busan St. Marry's Medical Center, Busan, Korea |
