About the Authors
- Roman M. Wittig
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* E-mail: rmw12@st-andrews.ac.uk
Affiliations Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany, School of Psychology, University of St. Andrews, St. Andrews, United Kingdom
- Christophe Boesch
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Affiliation Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RMW. Performed the experiments: RMW. Analyzed the data: RMW. Contributed reagents/materials/analysis tools: CB. Wrote the paper: RMW CB. Conceived and designed the original study: RMW CB.