About the Authors

Qi Sun

qisun@hsph.harvard.edu

Affiliations Department of Nutrition, 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, Boston, Massachusetts, United States of America

Mary K. Townsend

Affiliation Channing Laboratory, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America

Olivia I. Okereke

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

Eric B. Rimm

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

Frank B. Hu

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

Meir J. Stampfer

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

Francine Grodstein

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

Competing Interests

OIO has received research grants from the US National Institutes of Health (National Institute on Aging and National Institute of Mental Health), the Alzheimer's Association, and Harvard University. OIO is also a member of the Board of Directors of the Massachusetts and New Hampshire Chapter of the Alzheimer's Association. All other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QS FBH FG. Performed the experiments: QS MKT OIO EBR FBH MJS FG. Analyzed the data: QS. Wrote the first draft of the manuscript: QS. Contributed to the writing of the manuscript: QS MKT OIO EBR FBH MJS FG. ICMJE criteria for authorship read and met: QS MKT OIO EBR FBH MJS FG. Agree with manuscript results and conclusions: QS MKT OIO EBR FBH MJS FG. Provided statistical expertise: QS EBR MJS. Obtained funding and designed the cognitive function study: FG.