About the Authors

So Young Kim

Roles Writing – original draft, Writing – review & editing

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Korea

Joon Kyu Lee

Roles Formal analysis, Writing – review & editing

Affiliation Department of Orthopaedic Surgery, Hallym University College of Medicine, Anyang, Korea

Songyong Sim

Roles Formal analysis, Writing – review & editing

Affiliation Department of Statistics, Hallym University, Chuncheon, Korea

Hyo Geun Choi

Roles Conceptualization, Formal analysis, Writing – review & editing

pupen@naver.com

Affiliation Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University College of Medicine, Anyang, Korea

Competing Interests

The authors have declared that no competing interests exist.