Department of Otolaryngology, Chonnam National University Medical School, Gwangju;Research Center for Resistant Cells, Chosun Medical School, Gwangju
2.Department of Otolaryngology, Chonnam National University Medical School, Gwangju
3.Research Center for Resistant Cells, Chosun Medical School, Gwangju
4.Department of Biomedical Engineering, Dankook Medical School, Cheonan, South Korea