About the Authors

John R. Hutchinson

jrhutch@rvc.ac.uk

Affiliation Structure and Motion Laboratory, Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom

Karl T. Bates

Affiliation Department of Musculoskeletal Biology, Institute of Aging and Chronic Disease, University of Liverpool, Liverpool, United Kingdom

Julia Molnar

Affiliation Structure and Motion Laboratory, Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom

Vivian Allen

Affiliation Structure and Motion Laboratory, Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom

Peter J. Makovicky

Affiliation Department of Geology, Field Museum of Natural History, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JH KB VA JM PM. Performed the experiments: JH KB VA JM PM. Analyzed the data: JH KB VA JM PM. Contributed reagents/materials/analysis tools: JH KB VA JM PM. Wrote the paper: JH KB VA JM PM.