About the Authors

Chiara Barbieri

barbieri.chiara@gmail.com (CB); brigitte.pakendorf@cnrs.fr (BP)

Affiliations Department of Evolutionary Genetics, MPI for Evolutionary Anthropology, Leipzig, Germany, Department of Biological, Geological and Environmental Sciences, Laboratory of Molecular Anthropology, University of Bologna, Bologna, Italy

Mário Vicente

Current address: Division of Biological Anthropology, University of Cambridge, Cambridge, United Kingdom

Affiliations CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos da Universidade do Porto, Vairão, Portugal, STAB VIDA, Investigação e Serviços em Ciências Biológicas, Lda, Oeiras, Portugal

Sandra Oliveira

Affiliations CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos da Universidade do Porto, Vairão, Portugal, Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Porto, Portugal

Koen Bostoen

Affiliations Department of African Languages and Cultures, Ghent University, KongoKing Research Group, Ghent, Belgium, Université libre de Bruxelles, Faculté de Philosophie et Lettres, Brussels, Belgium

Jorge Rocha

Affiliations CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos da Universidade do Porto, Vairão, Portugal, Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Porto, Portugal

Mark Stoneking

Affiliation Department of Evolutionary Genetics, MPI for Evolutionary Anthropology, Leipzig, Germany

Brigitte Pakendorf

barbieri.chiara@gmail.com (CB); brigitte.pakendorf@cnrs.fr (BP)

Affiliation Laboratoire Dynamique du Langage, UMR5596, CNRS and Université Lyon Lumière 2, Lyon, France

Competing Interests

MV was supported by STAB VIDA, Investigação e Serviços em Ciências Biológicas, Lda. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CB JR MS BP. Performed the experiments: MV. Analyzed the data: CB MV SO. Contributed reagents/materials/analysis tools: JR MS BP. Wrote the paper: CB KB JR MS BP. Provided input on writing the manuscript: MV SO.