About the Authors

Derek W. Larson

derek.larson@mail.utoronto.ca

Affiliation Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada

Philip J. Currie

Affiliation Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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