About the Authors

Wenhui Mao

Roles Investigation, Methodology, Validation, Visualization, Writing – original draft

Affiliations School of Public Health, Fudan University, Shanghai, China, Duke Global Health Institute, Duke University, Durham, North Carolina, United States of America

Yunyu Huang

Roles Investigation

Affiliation School of Public Health, Fudan University, Shanghai, China

Wen Chen

Roles Supervision, Writing – review & editing

wenchen@fudan.edu.cn

Affiliation School of Public Health, Fudan University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.