About the Authors

W. Randall Haas Jr

wrhaas@umd.edu

Affiliation Department of Anthropology, University of Maryland, 1111 Woods Hall, College Park, MD, 20742, United States of America

Cynthia J. Klink

Affiliation Department of Anthropology, SUNY College at Oneonta, 10 Denison Hall, Oneonta, NY, 13820, United States of America

Greg J. Maggard

Affiliation Department of Anthropology, University of Kentucky, 1020-A Export St., Lexington, KY, 40506–9854, United States of America

Mark S. Aldenderfer

Affiliation School of Social Sciences, Humanities, and Arts, University of California Merced, 5200 Lake Road, Merced, CA, 95343, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WRH. Performed the experiments: WRH MSA CJK GJM. Analyzed the data: WRH. Contributed reagents/materials/analysis tools: WRH MSA CJK GJM. Wrote the paper: WRH.