About the Authors

Christopher R. Sudfeld

csudfeld@hsph.harvard.edu

Affiliation Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America

Wafaie W. Fawzi

Affiliations Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America, Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, United States of America, Department of Global Health and Population, Harvard School of Public Health, Boston, Massachusetts, United States of America

Chandrakant Lahariya

Affiliation Department of Community Medicine, G.R. Medical College, Gwalior, MP, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CRS WWF CL. Analyzed the data: CRS CL. Wrote the paper: CRS WWF CL.