1. Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Republic of Korea
2. Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
3. Department of Radiology, Yonsei University College of Medicine, Seoul, Republic of Korea
4. Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
5. YUHS-KRIBB Medical Convergence Research Institute, Seoul, Republic of Korea
6. Department of Otorhinolaryngology, Soonchunhyang University College of Medicine, Republic of Korea
7. Department of Otorhinolaryngology-Head and Neck Surgery, Yonsei University Wonju College of Medicine, Wonju, Republic of Korea
8. The Airway Mucus Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
9. Research Center for Human Natural Defense System, Yonsei University College of Medicine, Seoul, Republic of Korea