Corresponding Author

Young-Gyu Eun

Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, Korea

Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, Seoul, Korea

Corresponding author

Young-Gyu Eun, MD, PhD, Department of Otolaryngology-Head and Neck Surgery, Kyung Hee University Medical Center, #1 Hoegi-dong, Dongdaemun-gu, Seoul, 02447, Korea

E-mail: ygeun@hanmail.net; ygeun@khu.ac.kr