About the Authors

Robert S. Walker

walkerro@missouri.edu

Affiliation Department of Anthropology, University of Missouri, Columbia, Missouri, United States of America

Søren Wichmann

Affiliation Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany

Thomas Mailund

Affiliation Bioinformatics Research Center, Aarhus University, Aarhus, Denmark

Curtis J. Atkisson

Affiliation Department of Anthropology, University of Missouri, Columbia, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RW SW TM CA. Performed the experiments: RW SW TM CA. Analyzed the data: RW SW TM CA. Contributed reagents/materials/analysis tools: RW SW TM CA. Wrote the paper: RW SW TM CA.