About the Authors
- Richard E. W. Berl
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* E-mail: richard.berl@wsu.edu
Affiliation School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
- Barry S. Hewlett
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Affiliation Department of Anthropology, Washington State University Vancouver, Vancouver, Washington, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: BSH. Performed the experiments: BSH. Analyzed the data: REWB. Contributed reagents/materials/analysis tools: REWB BSH. Wrote the paper: REWB BSH.