About the Authors

Kristin L. Bishop

kvwbishop@ucdavis.edu

Affiliation Section of Ecology and Evolution, University of California Davis, Davis, California, United States of America

Anita K. Pai

Affiliation Department of Biological Anthropology and Anatomy, Duke University, Durham, North Carolina, United States of America

Daniel Schmitt

Affiliation Department of Biological Anthropology and Anatomy, Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KLB DS. Performed the experiments: KLB AKP DS. Analyzed the data: KLB AKP DS. Contributed reagents/materials/analysis tools: DS. Wrote the paper: KLB DS. Text editing: AKP.