About the Authors

Hiroki Saito

Affiliation Department of Medicine, Carney Hospital, Dorchester, Massachusetts, United States of America

Christopher J. Gill

cgill@bu.edu

Affiliations Center for Global Health and Development, Boston University, Boston, Massachusetts, United States of America, Department of International Health, Boston University School of Public Health, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HS CJG. Analyzed the data: HS CJG. Contributed to the writing of the manuscript: HS CJG.