About the Authors

Achille E. Tchalla

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, Division of Gerontology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America, Department of Geriatric Medicine, University Hospital Center of Limoges, University of Limoges; EA 6310 HAVAE (Disability, Activity, Aging, Autonomy and Environment), Limoges, France

Alyssa B. Dufour

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, Division of Gerontology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America

Thomas G. Travison

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, Division of Gerontology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America

Daniel Habtemariam

Affiliation Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America

Ikechukwu Iloputaife

Affiliation Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America

Brad Manor

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, Division of Gerontology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America

Lewis A. Lipsitz

lipsitz@hsl.harvard.edu

Affiliations Harvard Medical School, Boston, Massachusetts, United States of America, Division of Gerontology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Institute for Aging Research, Hebrew SeniorLife, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AT LAL. Performed the experiments: AT II LAL. Analyzed the data: AT ABD TGT DH BM LAL. Contributed reagents/materials/analysis tools: DH II ABD TGT LAL. Wrote the paper: AT ABD TGT LAL.