About the Authors
- Jay P. Graham
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Affiliation Department of Environmental and Occupational Health and Department of Global Health, Milken Institute School of Public Health at George Washington University, Washington, DC, United States of America
- Mitsuaki Hirai
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Affiliation Department of Global Health, Milken Institute School of Public Health at George Washington University, Washington, DC, United States of America
- Seung-Sup Kim
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* E-mail: ssk3@korea.ac.kr
Affiliation Department of Public Health Sciences, Korea University, Seoul, South Korea
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Performed the experiments: SSK MH JG. Analyzed the data: JG SSK. Wrote the paper: JG MH SSK.