About the Authors

YoungHa Song

Contributed equally to this work with: YoungHa Song, Yoo-Been Ahn

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliations Australian Research Centre for Population Oral Health, Adelaide Dental School, The University of Adelaide, Adelaide, South Australia, Australia, Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea

Yoo-Been Ahn

Contributed equally to this work with: YoungHa Song, Yoo-Been Ahn

Roles Data curation, Formal analysis, Investigation, Writing – original draft

Affiliation Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea

Myung-Seop Shin

Roles Data curation, Formal analysis, Investigation

Affiliation Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea

David Brennan

Roles Writing – review & editing

Affiliation Australian Research Centre for Population Oral Health, Adelaide Dental School, The University of Adelaide, Adelaide, South Australia, Australia

Hyun-Duck Kim

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

hyundkim@snu.ac.kr

Affiliations Department of Preventive and Social Dentistry, School of Dentistry, Seoul National University, Seoul, Korea, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.