About the Authors

Jeremy M. DeSilva

Contributed equally to this work with: Jeremy M. DeSilva, Zachary J. Throckmorton

jdesilva@bu.edu

Affiliation Department of Anthropology, Boston University, Boston, Massachusetts, United States of America

Zachary J. Throckmorton

Contributed equally to this work with: Jeremy M. DeSilva, Zachary J. Throckmorton

Affiliation Department of Anthropology, University of Wisconsin, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JD ZJT. Performed the experiments: JD ZJT. Analyzed the data: JD ZJT. Contributed reagents/materials/analysis tools: JD ZJT. Wrote the paper: JD ZJT.