About the Authors

Scott M. Fitzpatrick

scott_fitzpatrick@ncsu.edu

Affiliation Department of Sociology & Anthropology, North Carolina State University, Raleigh, North Carolina, United States of America

Greg C. Nelson

Affiliation Department of Anthropology, University of Oregon, Eugene, Oregon, United States of America

Geoffrey Clark

Affiliation Archaeology and Natural History, Division of Society and Environment, Research School of Pacific and Asian Studies, Australian National University, Acton, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMF GCN. Performed the experiments: SMF GCN. Analyzed the data: SMF GCN GC. Wrote the paper: SMF GCN GC.