Affiliation: | 1. Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University School of Medicine, Pusan National University Hospital, Busan, South Korea;2. Department of Nuclear Medicine, Pusan National University School of Medicine, Pusan National University Hospital, Busan, South Korea;3. Department of Otorhinolaryngology and Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea |