1. Department of Otorhinolaryngology-Head and Neck Surgery, Inje University College of Medicine, Busan Paik Hospital, Busan, South Korea.
2. Department of Otorhinolaryngology-Head and Neck Surgery, Kosin University College of Medicine, Kosin University Gospel Hospital, Busan, South Korea.
3. Kosin University College of Medicine, Busan, South Korea.
4. Department of Biomedical Engineering and Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea.