| Affiliation: | 1. Department of Otorhinolaryngology—Head and Neck Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea;2. Department of Otorhinolaryngology—Head and Neck Surgery, Pusan National University School of Medicine and Medical Research Institute, Busan, Republic of Korea;3. Department of Internal Medicine, Pusan National University School of Medicine and Medical Research Institute, Busan, Republic of Korea;4. Department of Pathology, Pusan National University School of Medicine and Medical Research Institute, Yangsan, Kyeongnam, Republic of Korea |
