Funding for this research was provided by:
Public Health Agency of Canada (1)
Received: 4 October 2019
Accepted: 21 January 2020
First Online: 17 February 2020
Ethics approval and consent to participate
: Ethics were obtained from the General Research Ethics Board at Queen’s University and the ethics review board at the Public Health Agency of Canada. Consent was obtained from all participating school boards and schools, as well as participants and their parents/guardians.
: All authors consented for this publication.
: The authors declare that they have no competing interests.