Affiliation: | 1. Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, South Korea;2. The Airway Mucus Institute, Yonsei University College of Medicine, Seoul, South Korea;3. Shimmian Rhinoplasty Clinic, Seoul, South Korea;4. Research Center for Human Natural Defense System, Yonsei University College of Medicine, Seoul, South Korea;5. BK21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea |