About the Authors
- Takeo Fujiwara
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* E-mail: fujiwara-tk@ncchd.go.jp
Affiliation Department of Social Medicine, National Research Institute for Child Health and Development, Tokyo, Japan
- Laura D. Kubzansky
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Affiliation Department of Society, Human Development, and Health, Harvard School of Public Health, Massachusetts, United States of America
- Kenji Matsumoto
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Affiliation Department of Allergy and Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
- Ichiro Kawachi
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Affiliation Department of Society, Human Development, and Health, Harvard School of Public Health, Massachusetts, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: TF. Performed the experiments: TF. Analyzed the data: TF. Contributed reagents/materials/analysis tools: TF LDK KM IK. Wrote the paper: TF LDK KM IK.