About the Authors

Gabriele A. Macho

Gabriele.Macho@rlaha.ox.ac.uk

Affiliation Research Laboratory for Archaeology (RLAHA), Oxford, England

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GM. Performed the experiments: GM. Analyzed the data: GM. Contributed reagents/materials/analysis tools: GM. Wrote the paper: GM.