About the Authors

Qingfeng Li

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

qli28@jhu.edu

Affiliation Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America

James Bradford

Roles Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation International Road Assessment Programme, Bracknell, Berkshire, United Kingdom

Abdulgafoor M. Bachani

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America

Competing Interests

The authors have declared that no competing interests exist.