About the Authors

Hyun-Bum Kim

Roles Methodology, Writing – original draft

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

Geun-Jeon Kim

Roles Conceptualization, Investigation, Methodology, Writing – review & editing

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

Kyung-do Han

Roles Data curation, Formal analysis, Investigation, Methodology

Affiliation Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul, Korea

Young-Hoon Joo

Roles Conceptualization, Data curation, Methodology, Writing – review & editing

joodoct@catholic.ac.kr

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

Competing Interests

The authors have declared that no competing interests exist.