About the Authors

Chang Ho Lee

Affiliation Department of Otolaryngology, CHA Bundang Medical Center, CHA University, Seongnam-si, Republic of Korea

Jun Ho Lee

Affiliation Department of Pediatrics, CHA Bundang Medical Center, CHA University, Seongnam-si, Republic of Korea

Hyoung-Mi Kim

hyoungkim1024@gmail.com

Affiliation Department of Otolaryngology, CHA Bundang Medical Center, CHA University, Seongnam-si, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CHL JHL. Performed the experiments: CHL. Analyzed the data: CHL HMK. Contributed reagents/materials/analysis tools: HMK. Wrote the paper: CHL JHL.