About the Authors
- Federica Amici
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* E-mail: abbepu@yahoo.it
Affiliation Department of Comparative and Developmental Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Bradley Barney
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Affiliation Department of Mathematics and Statistics, Kennesaw State University, Kennesaw, Georgia, United States of America
- Valen E. Johnson
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Affiliation Department of Biostatistics, M.D. Anderson Cancer Center, Houston, Texas, United States of America
- Josep Call
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Affiliation Department of Comparative and Developmental Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Filippo Aureli
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Affiliations Instituto de Neuroetologia, Universidad Veracruzana, Xalapa, Veracruz, Mexico, Research Centre in Evolutionary Anthropology and Palaeoecology, Liverpool John Moores University, Liverpool, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: F.Amici JC F. Aureli. Performed the experiments: F.Amici JC. Analyzed the data: BB VEJ. Contributed reagents/materials/analysis tools: F.Amici JC F. Aureli BB VEJ. Wrote the paper: F.Amici.