About the Authors

Hyung-Jong Kim

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Hyo-Jeong Lee

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Soo-Youn An

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Thyroid/Head & Neck Cancer Center of the Dongnam Institute of Radiological & Medical Sciences (DIRAMS), Busan, Korea

Songyong Sim

Affiliation Department of Statistics, Hallym University, Chuncheon, Korea

Bumjung Park

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Si Whan Kim

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Joong Seob Lee

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Sung Kwang Hong

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Hyo Geun Choi

pupen@naver.com

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HGC HJK. Performed the experiments: HJL SYA. Analyzed the data: BJP SWK SYS. Contributed reagents/materials/analysis tools: JSL SKH. Wrote the paper: HGC HJK.