About the Authors

Natalie L. Dinsdale

Affiliation Simon Fraser University, Burnaby, Canada

Peter L. Hurd

Affiliation University of Alberta, Edmonton, Canada

Akio Wakabayashi

Affiliation Chiba University, Chiba, Japan

Mick Elliot

Affiliation Simon Fraser University, Burnaby, Canada

Bernard J. Crespi

crespi@sfu.ca

Affiliation Simon Fraser University, Burnaby, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NLD PLH BJC. Performed the experiments: NLD AW. Analyzed the data: NLD PLH AW ME BJC. Contributed reagents/materials/analysis tools: NLD PLH AW ME BJC. Wrote the paper: NLD.