Funding for this research was provided by:
Alberta Innovates - Health Solutions (N/A)
Alberta Health Services Emergency Strategic Clinical Network (N/A)
Edmonton Emergency Physicians Association (N/A)
Canadian Research Initiative on Substance Misuse- Prairie Node (N/A)
Received: 11 February 2019
Accepted: 27 August 2019
First Online: 5 September 2019
Ethics approval and consent to participate
: Our research protocol received ethics approval from the University of Alberta’s Health Research Ethics Board. The Research Ethics Board agreed that it was not necessary or feasible to obtain individual consent because our study used secondary use of extracted and anonymized administrative health data. Therefore, there was no contact with human subjects.
: Not applicable.
: The authors declare that they have no competing interests.