About the Authors

Beth S. Rachlis

beth.rachlis@utoronto.ca

Affiliation Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada

Edward J. Mills

Affiliation Faculty of Health Sciences, University of Ottawa, Ottawa, Canada

Donald C. Cole

Affiliation Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BR DCC. Performed the experiments: BR DCC EM. Analyzed the data: BR EM. Wrote the paper: BR DCC EM.