About the Authors
- R. Alexander Bentley
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* E-mail: r.a.bentley@durham.ac.uk
Affiliation Department of Anthropology, Durham University, Durham, United Kingdom
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RAB. Performed the experiments: RAB. Analyzed the data: RAB. Wrote the paper: RAB.