About the Authors
Henry Wellcome Ancient Biomolecules Centre, Department of Zoology, University of Oxford, United Kingdom
Department of Anthropology, McMaster University, Ontario, Canada
Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan, United States of America
Department of Biology, University College London, United Kingdom
Palaecol Research, Christchurch, New Zealand
The authors have declared that no competing interests exist.
MB, AC, and RNH conceived and designed the experiments. MB, MS, HRLL, IB, and BS performed the experiments. MB and BS analyzed the data. MB and RNH wrote the paper.