About the Authors

Siyan Yi

siyan@doctor.com

Affiliations Department of Epidemiology and International Health, International Clinical Research Center, National Center for Global Health and Medicine, Tokyo, Japan, Department of Community and Global Health, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Daisuke Nonaka

Affiliations Department of Epidemiology and International Health, International Clinical Research Center, National Center for Global Health and Medicine, Tokyo, Japan, Department of Community and Global Health, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Marino Nomoto

Affiliations Department of Epidemiology and International Health, International Clinical Research Center, National Center for Global Health and Medicine, Tokyo, Japan, Department of Community and Global Health, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Jun Kobayashi

Affiliation Bureau of International Cooperation, National Center for Global Health and Medicine, Tokyo, Japan

Tetsuya Mizoue

Affiliation Department of Epidemiology and International Health, International Clinical Research Center, National Center for Global Health and Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DN MN JK TM. Performed the experiments: DN MN. Analyzed the data: SY DN TM. Contributed reagents/materials/analysis tools: SY DN MN JK TM. Wrote the paper: SY. Contributed to the revisions of the manuscript: SY DN MN JK TM.