About the Authors

Kristian J. Carlson

kristian.carlson@wits.ac.za

Affiliations Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa, Department of Anthropology, Indiana University, Bloomington, Indiana, United States of America

Tea Jashashvili

Affiliations Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa, Department of Geology and Paleontology, Georgian National Museum, Tbilisi, Georgia

Kimberley Houghton

Affiliation Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa

Michael C. Westaway

Affiliation Cultures and Histories Program, Queensland Museum, Brisbane, Australia

Biren A. Patel

Affiliation Department of Cell and Neurobiology, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KJC BAP. Performed the experiments: KJC. Analyzed the data: KJC TJ. Contributed reagents/materials/analysis tools: KJC TJ KH MCW BAP. Wrote the paper: KJC BAP.