1. Department of Otolaryngology-Head and Neck Surgery, Chungnam National University College of Medicine, Daejeon, Korea, Daejeon, Korea
2. Brain Research Institute, Chungnam National University College of Medicine, Daejeon, Korea
3. Division of Immunology, Department of Pediatrics, Seoul National University Hospital, Seoul, Korea
4. R&D Center, ENCell Co. Ltd, Seoul, Korea
5. Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
6. Department of Otorhinolaryngology-Head and Neck Surgery, East Avenue Medical Center, Metro Manila, Philippines
7. Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
8. Sensory Organ Research Institute, Seoul National University Medical Research Center, Seoul, Korea