1. Department of Radiology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Yangsan Hospital, 20 Geumo-ro, Mulgeum-eup, Yangsan 50612, Republic of Korea.
2. Department of Radiology, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea.
3. Department of Otorhinolaryngology-Head and Neck Surgery, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea.
4. Department of Surgery, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea.
5. Department of Biomedical Sciences, School of Medicine, Inha University, Incheon, Republic of Korea.