About the Authors

Jong Ho Won

Affiliation Division of Ophthalmic and Ear, Nose and Throat Devices, Office of Device Evaluation, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland, United States of America

Il Joon Moon

moonij@skku.edu

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 135-710, Republic of Korea

Sunhwa Jin

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 135-710, Republic of Korea

Heesung Park

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 135-710, Republic of Korea

Jihwan Woo

Affiliation School of Electrical Engineering, Biomedical Engineering, University of Ulsan, Ulsan 680-749, Republic of Korea

Yang-Sun Cho

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 135-710, Republic of Korea

Won-Ho Chung

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 135-710, Republic of Korea

Sung Hwa Hong

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, 135-710, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IJM J. Won SHH YSC WHC. Performed the experiments: IJM SHJ HSP J. Woo. Analyzed the data: IJM J. Woo J. Won YSC WHC SHH. Contributed reagents/materials/analysis tools: YSC WHC SHH SHJ HSP. Wrote the paper: J. Won IJM SHH.