About the Authors

Alexandra Alvergne

a.alvergne@ucl.ac.uk

Affiliation Department of Anthropology, University College London (UCL), London, United Kingdom

Mhairi A. Gibson

Affiliation Department of Archaeology and Anthropology, University of Bristol, Bristol, United Kingdom

Eshetu Gurmu

Affiliation Institute of Population Studies, College of Development Studies, Addis Ababa University, Addis Ababa, Ethiopia

Ruth Mace

Affiliation Department of Anthropology, University College London (UCL), London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RM. Performed the experiments: MAG EG. Analyzed the data: AA. Wrote the paper: AA RM.