About the Authors

Jae Hoon Cho

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Konkuk University, Seoul, Republic of Korea

Young Chang Lim

Roles Investigation, Resources, Writing – review & editing

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Konkuk University, Seoul, Republic of Korea

Kyung-Do Han

Roles Formal analysis

Affiliation Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea

Jae Yong Lee

Roles Investigation, Resources, Writing – review & editing

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Republic of Korea

Ji Ho Choi

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

handsomemd@hanmail.net

Affiliation Department of Otorhinolaryngology-Head and Neck Surgery, Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.