Funding for this research was provided by:
Public Health Agency of Canada (NA)
Received: 6 August 2019
Accepted: 6 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: The study used de-identified health data and received approval from Simon Fraser University Research Ethics Board (study number: 2013 s0706).
: All authors have contributed editorial guidance to the study, have reviewed drafts of the manuscript and consented to publication.
: The authors declare they have no actual or potential competing financial interests.