Funding for this research was provided by:
Government of Alberta (n/a)
Received: 2 March 2020
Accepted: 11 May 2020
First Online: 19 May 2020
Ethics approval and consent to participate
: The study was approved by the University of Alberta Research Ethics Board Pro00086515. Participants implied consent by clicking the hyperlink to complete the survey in 2019. Waiver of consent was granted for the 2014 survey, which was examined retrospectively.
: Not applicable.
: The authors declare they have no competing interests.