| Affiliation: | 1. Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Republic of Korea;2. Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, Republic of Korea;3. Cancer Research Institute, Seoul National University, Seoul, Republic of Korea;4. Department of Otorhinolaryngology, Asan Medical Center, Seoul, Republic of Korea;5. Department of Otorhinolaryngology, Korea Cancer Center Hospital, Seoul, Republic of Korea;6. Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Republic of Korea;7. Major in Biomodulation, World Class University, Seoul National University, Seoul, Republic of Korea |
