Kwang Hyun Byun, Sang Joon Lee, Phil-Sang Chung, Seung Hoon Woo
Department of Otolaryngology-Head and Neck surgery, Dankook University College of Medicine, Cheonan, Korea
Correspondence to: Seung Hoon Woo
Department of Otorhinolaryngology - Head and Neck Surgery, Dankook University School of Medicine, 201 Manghyang-ro, Dongnam-gu, Cheonan 31116, Korea
Tel.: +82-41-550-1781
Fax: +82-41-550-7837
E-mail:
lesaby@hanmail.net