About the Authors

Andrea C. Tricco

Affiliation Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada

Erin Lillie

Affiliation Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada

Charlene Soobiah

Affiliations Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada, Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Ontario, Canada

Laure Perrier

Affiliations Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada, Continuing Education and Professional Development, University of Toronto, Toronto, Ontario, Canada

Sharon E. Straus

sharon.straus@utoronto.ca

Affiliations Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Ontario, Canada, Division of Geriatrics, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada

Competing Interests

The authors have the following interests: ACT has been a paid consultant to examine cross-protection of non-influenza vaccine types for GlaxoSmithKline. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. The other authors have nothing to declare.

Author Contributions

Conceived and designed the experiments: ACT SES. Performed the experiments: EL CS LP ACT. Analyzed the data: ACT SES. Wrote the paper: ACT EL CS LP SES.