About the Authors

Se Hwan Hwang

Contributed equally to this work with: Se Hwan Hwang, Sun Hwa Park

Affiliation Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea

Sun Hwa Park

Contributed equally to this work with: Se Hwan Hwang, Sun Hwa Park

Affiliation Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea

Jin Choi

Affiliation Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea

Dong Chang Lee

Affiliation Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea

Jeong Hoon Oh

Affiliation Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea

Sung Won Kim

kswent@catholic.ac.kr (SWK); jbkim87@hallym.or.kr (JBK)

Affiliation Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea

Jin Bae Kim

kswent@catholic.ac.kr (SWK); jbkim87@hallym.or.kr (JBK)

Affiliation Division of Gastroenterology, Department of Internal Medicine, Kangnam Sacred Heart Hospital, Hallym University, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SWK JBK. Performed the experiments: SHP JC DCL JHO. Analyzed the data: SHH SHP JHO SWK JBK. Contributed reagents/materials/analysis tools: SHH SHP JC DCL JHO SWK JBK. Wrote the paper: SHH SHP SWK JBK. SHH SHP SWK JBK.