About the Authors

Gavin Tansley

Affiliation Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada

Nadine Schuurman

nadine@sfu.ca

Affiliation Department of Geography, Simon Fraser University, Burnaby, British Columbia, Canada

Ofer Amram

Affiliation Department of Geography, Simon Fraser University, Burnaby, British Columbia, Canada

Natalie Yanchar

Affiliation Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GT NS OA NY. Performed the experiments: GT OA. Analyzed the data: GT NS OA NY. Contributed reagents/materials/analysis tools: NS NY. Wrote the paper: GT NS OA NY.