About the Authors

Kathryn B. H. Clancy


Affiliation University of Illinois, Urbana-Champaign, Department of Anthropology, Urbana, Illinois, United States of America

Robin G. Nelson

Affiliation Skidmore College, Department of Anthropology, Saratoga Springs, New York, United States of America

Julienne N. Rutherford

Affiliation University of Illinois, Chicago, Department of Women, Children, and Family Health Science, Chicago, Illinois, United States of America

Katie Hinde

Affiliation Harvard University, Department of Human Evolutionary Biology, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KBHC RGN JNR KH. Performed the experiments: KBHC. Analyzed the data: JNR KH. Contributed to the writing of the manuscript: KBHC RGN JNR KH.