1. Department of Otolaryngology—Head and Neck Surgery, Chungnam National University College of Medicine Chungnam National University Sejong Hospital Daejeon South Korea
2. Department of Otolaryngology—Head and Neck Surgery Seoul National University Bundang Hospital Seongnam South Korea
3. Department of Otorhinolaryngology–Head and Neck Surgery Seoul National University Hospital Seoul South Korea
4. Department of Otorhinolaryngology‐Head and Neck Surgery, Asan Medical Center University of Ulsan College of Medicine Seoul South Korea
5. Sensory Organ Research Institute Seoul National University Medical Research Center Seoul South Korea