1. Department of Otorhinolaryngology, Chosun University College of Medicine, Gwangju, Korea.
2. Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Otorhinolaryngology, Seoul National University Bundang Hospital, Seongnam, Korea.
4. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
5. Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, Korea.
6. Sensory Organ Research Center, Seoul National University Medical Research Center, Seoul, Korea.
7. Graduate School of Immunology, Seoul National University, Seoul, Korea.