Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine andAerospace Medicine Research Group, Research Institute of Medical Science, Inha University, Incheon, Korea
2.Internal Medicine, Inha University School of Medicine, Incheon, Korea
3.Department of Otorhinolaryngology-Head & Neck Surgery, Inha University School of Medicine, Incheon, Korea
4.Department of Otorhinolaryngology-Head & Neck Surgery, Inha University School of Medicine, Incheon, Korea.