About the Authors

Michael Gurven

gurven@anth.ucsb.edu

Affiliation Department of Anthropology, University of California Santa Barbara, Santa Barbara, California, United States of America

Hillard Kaplan

Affiliation Department of Anthropology, University of New Mexico, Albuquerque, New Mexico, United States of America

Jeffrey Winking

Affiliation Department of Anthropology, Texas A&M University, College Station, Texas, United States of America

Daniel Eid Rodriguez

Affiliation Departamento de Medicina, Universidad Mayor de San Simón, Cochabamba, Bolivia

Sarinnapha Vasunilashorn

Affiliation Andrus Gerontology Center, University of Southern California, Los Angeles, California, United States of America

Jung Ki Kim

Affiliation Andrus Gerontology Center, University of Southern California, Los Angeles, California, United States of America

Caleb Finch

Affiliation Andrus Gerontology Center, University of Southern California, Los Angeles, California, United States of America

Eileen Crimmins

Affiliation Andrus Gerontology Center, University of Southern California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MDG HK CEF EC. Performed the experiments: DER. Analyzed the data: MDG SV JKK. Contributed reagents/materials/analysis tools: MDG JW CEF EC. Wrote the paper: MDG.