About the Authors

Hye-Kyung Cho

Roles Conceptualization, Investigation, Methodology, Project administration, Writing – original draft

hkcho@gilhospital.com

Affiliation Department of Pediatrics, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea

Se Hwan Hwang

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

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

Hye Na Nam

Roles Writing – review & editing

Affiliation Department of Pediatrics, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea

Kyungdo Han

Roles Data curation, Formal analysis, Investigation, Visualization

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

Bongsung Kim

Roles Data curation, Formal analysis, Visualization

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

Insik Kong

Roles Supervision

Affiliation Division of Vaccine-Preventable Disease Control and National Immunization Program, Korea Centers for Disease Control and Prevention, Cheongju, Republic of Korea

Kwangsuk Park

Roles Data curation, Formal analysis

Affiliation Division of Vaccine-Preventable Disease Control and National Immunization Program, Korea Centers for Disease Control and Prevention, Cheongju, Republic of Korea

Jaeyoung Lee

Roles Data curation, Formal analysis

Affiliation Division of Vaccine-Preventable Disease Control and National Immunization Program, Korea Centers for Disease Control and Prevention, Cheongju, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.