About the Authors

Ann Z. Moore

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Mary L. Biggs

Affiliation Department of Biostatistics, School of Public Health, University of Washington, Seattle, Washington, United States of America

Amy Matteini

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Ashley O'Connor

Affiliation McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Sarah McGuire

Affiliation McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Brock A. Beamer

Affiliation Division of Gerontology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America

M. Danielle Fallin

Affiliation Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

Linda P. Fried

Affiliation Columbia University Mailman School of Public Health, New York, New York, United States of America

Jeremy Walston

Affiliation Division of Geriatric Medicine and Gerontology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Aravinda Chakravarti

Affiliation McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Dan E. Arking

arking@jhmi.edu

Affiliation McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Competing Interests

Aravinda Chakravarti is a paid member of the Scientific Advisory Board of Affymetrix, a role that is managed by the Committee on Conflict of Interest of the Johns Hopkins University School of Medicine.

Author Contributions

Conceived and designed the experiments: MB AM BAB DF LF JW AC DEA. Analyzed the data: AZM JW AC DEA. Wrote the paper: AZM AM BAB DF LF JW AC DEA. Data generation: DEA AAO SM JW AC. Data preparation: MB.