About the Authors
- Eduardo Fernandez-Duque, Maren Huck
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Eduardo Fernandez-Duque
- Centro de Ecología Aplicada del Litoral, Conicet, Argentina
The authors have declared that no competing interests exist.
Conceived and designed the experiments: EFD. Performed the experiments: EFD. Analyzed the data: MH. Contributed reagents/materials/analysis tools: EFD MH. Wrote the paper: EFD MH.