Corresponding Author

Seung Hoon Woo MD, PhD

Beckman Laser Institute Korea, Dankook University College of Medicine, Cheonan, Republic of Korea

Medical Laser Research Center, Dankook University, Cheonan, Republic of Korea

Department of Otorhinolaryngology-Head and Neck Surgery, Dankook University College of Medicine, Cheonan, Republic of Korea

Correspondence Seung Hoon Woo, MD, PhD, Department of Otorhinolaryngology-Head and Neck Surgery, Dankook University College of Medicine, 201 Manghyang-ro, Dongnam-gu, Cheonan 31116, Republic of Korea.

Email: lesaby@hanmail.net