About the Authors
- Aaron Sams, John Hawks
- Department of Anthropology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
- Aaron Sams
- Department of Biological Statistics and Computational Biology, Cornell University, Ithaca, New York, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: AS JH. Performed the experiments: AS. Analyzed the data: AS. Wrote the paper: AS.