About the Authors

Christina H. Chan

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

Ashleigh R. Tuite

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

David N. Fisman

david.fisman@gmail.com

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DNF. Performed the experiments: CHC ART DNF. Analyzed the data: CHC ART DNF. Wrote the paper: CHC ART DNF. Contributed to composition of figures: CHC ART.