About the Authors

Barry G. Robinson

bgrobi@gmail.com

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

Alastair Franke

Affiliation Canadian Circumpolar Institute, University of Alberta, Edmonton, Alberta, Canada

Andrew E. Derocher

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: BGR AF AED. Performed the experiments: BGR. Analyzed the data: BGR. Contributed reagents/materials/analysis tools: AF AED. Wrote the paper: BGR AF AED.