About the Authors

Yi Liao

liaoyi.pku@gmail.com

Affiliation Department of Global Health Policy, University of Tokyo, Tokyo, Japan

Stuart Gilmour

Affiliation Department of Global Health Policy, University of Tokyo, Tokyo, Japan

Kenji Shibuya

Affiliation Department of Global Health Policy, University of Tokyo, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SG. Performed the experiments: YL. Analyzed the data: YL SG. Wrote the paper: YL. Revised the manuscript: SG KS YL.