1. Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea.
2. Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea.
4. Cancer Research Institute, Seoul National University, Seoul, Korea.
5. Department of Food and Nutrition, Kyung Hee University College of Human Ecology, Seoul, Korea.
6. Graduate School of Immunology, Seoul National University College of Medicine, Seoul, Korea.
7. Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, Korea.
8. Sensory Organ Research Institute, Seoul National University Medical Research Center, Seoul, Korea.
9. Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.