About the Authors

Ashleigh A. McGirr

Contributed equally to this work with: Ashleigh A. McGirr, Ashleigh R. Tuite

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

Ashleigh R. Tuite

Contributed equally to this work with: Ashleigh A. McGirr, Ashleigh R. Tuite

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

David N. Fisman

david.fisman@utoronto.ca

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

Competing Interests

The authors have read the journal's policy and have the following conflicts: Dr. Fisman has received research funding from Novartis, Sanofi-Pasteur, and GlaxoSmithKline vaccine divisions. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AAM ART DNF. Performed the experiments: AAM ART. Analyzed the data: AAM ART DNF. Contributed reagents/materials/analysis tools: AAM ART DNF. Wrote the paper: ART AAM DNF.