*Department of Otolaryngology, Ajou University, School of Medicine, Suwon
†Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul
‡Department of Cardiology, Ajou University, School of Medicine, Suwon, Korea.
Address correspondence and reprint requests to Hyun Jun Kim, MD, PhD, Department of Otolaryngology, Ajou University, School of Medicine, Woncheon-dong, Yeongtong-gu, Suwon, Gyeonggi-do, 443-721, Korea;. E-mail: [email protected]
Received 23 July, 2014
Accepted 8 February, 2015
Y.S.K. and S.Y.K. contributed equally in writing this article.
The authors report no conflicts of interest.
