About the Authors
- Paloma de la Peña
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* E-mail: paloma.delapenya@gmail.com
Affiliation Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, South Africa
- Lyn Wadley
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Affiliation Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, South Africa
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: PP LW. Performed the experiments: PP LW. Analyzed the data: PP. Contributed reagents/materials/analysis tools: PP LW. Wrote the paper: PP LW.