About the Authors

Nicolle A Mode

nicolle.mode@nih.gov

Affiliation National Institute on Aging, National Institutes of Health, Department of Health and Human Services, Baltimore, Maryland, United States of America

Michele K Evans

Affiliation National Institute on Aging, National Institutes of Health, Department of Health and Human Services, Baltimore, Maryland, United States of America

Alan B Zonderman

Affiliation National Institute on Aging, National Institutes of Health, Department of Health and Human Services, Baltimore, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NAM MKE ABZ. Performed the experiments: NAM MKE ABZ. Analyzed the data: NAM ABZ MKE. Contributed reagents/materials/analysis tools: NAM ABZ MKE. Wrote the paper: NAM MKE ABZ.