About the Authors

Vincent Fernandez

vinfernand@gmail.com

Affiliation Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa

Fernando Abdala

Affiliation Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa

Kristian J. Carlson

Affiliations Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa, Department of Anthropology, Indiana University, Bloomington, Indiana, United States of America

Della Collins Cook

Affiliation Department of Anthropology, Indiana University, Bloomington, Indiana, United States of America

Bruce S. Rubidge

Affiliation Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa

Adam Yates

Affiliations Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, Gauteng, South Africa, Museum of Central Australia, Araluen Cultural Precinct, Alice Springs, Northern Territory, Australia

Paul Tafforeau

Affiliation European Synchrotron Radiation Facility, Grenoble, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VF KJC BSR PT. Performed the experiments: VF PT. Analyzed the data: VF FA KJC DCC BSR AY PT. Contributed reagents/materials/analysis tools: VF PT. Wrote the paper: VF FA KJC DCC BSR PT.