1. Department of Otorhinolaryngology–Head and Neck Surgery, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University, Chuncheon, Republic of Korea;
2. Institute of New Frontier Research Team, Hallym Clinical and Translation Science Institute, Hallym University, Chuncheon, Republic of Korea;
3. Nano-Bio Regenerative Medical Institute, School of Medicine, Hallym University, Chuncheon, Republic of Korea