About the Authors

Jeroen S. L de Munter

Affiliations Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, United States of America , Institute of Health Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Frank B Hu

Affiliations Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, United States of America , Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America , Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School

Donna Spiegelman

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

Mary Franz

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

Rob M van Dam

To whom correspondence should be addressed. E-mail: rvandam@hsph.harvard.edu

Affiliations Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts, United States of America , Institute of Health Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands , Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

JSLdM and RMvD designed the study, analyzed the data, and drafted the paper. FBH and DS provided advice on the statistical analysis and interpretation of the data and commented on drafts of the manuscript. MF created the whole grain food composition database. All authors approved the final version of the manuscript.