About the Authors
Department of Anthropology, Queens College and NYCEP, Flushing, New York, United States of America
Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, United Kingdom
Research Centre in Evolutionary Anthropology and Palaeoecology, School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, United Kingdom
Department of Anthropology, Emory University, Atlanta, Georgia, United States of America
Department of Anthropology, Baylor University, Waco, Texas, United States of America
Department of Archaeology, University of Cape Town, Rondebsoch, South Africa
Department of Biology, California State University, Northridge, Northridge, California, United States of America
Human Origins Program, National Museum of Natural History, Smithsonian Institution, Washington, D. C., United States of America
Paleontology Section, Earth Sciences Department, National Museums of Kenya, Nairobi, Kenya
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TWP PWD LCB JDK JVF DRB FH RBP RBP. Performed the experiments: TWP PWD LCB JDK JVF DRB FH. Analyzed the data: TWP PWD LCB JDK. Contributed reagents/materials/analysis tools: RBP RBP. Wrote the paper: TWP.