1. Department of Otolaryngology; School of Medicine; Ajou University; Suwon Korea
2. Department of Otolaryngology-Head and Neck Surgery; Research Institute for Medical Science; Chungnam National University College of Medicine; Daejeon Korea
3. Plasma Technology Research Center; National Fusion Research Institute; Gunsan Korea
4. Department of otorhinolaryngology, College of Medicine, Konyang University Hospital; Konyang University Myunggok Medical Research Institute; Daejeon Korea
5. Department of Molecular Science and Technology; Ajou University; Suwon Korea
6. Department of Electrical and Computer Engineering; Ajou University; Suwon Korea