About the Authors
- Zaneta M. Thayer
- Department of Anthropology, Northwestern University, Evanston, Illinois, United States of America
- Seth D. Dobson
- Department of Anthropology, Dartmouth College, Hanover, New Hampshire, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ZMT SDD. Performed the experiments: ZMT. Analyzed the data: ZMT. Wrote the paper: ZMT SDD.