Funding for this research was provided by:
Canadian Institutes of Health Research (CIHR PS 159668)
Received: 12 April 2021
Accepted: 1 June 2021
First Online: 8 June 2021
: The study was approved by the University of Alberta Health Research Ethics Board (PRO 00068887) and the Veritas Research Ethics Board in Ontario (16111-13:21:103-01-2017). Patients and the public were not involved in designing, conducting, or reporting this research project as it was not directly applicable to this project.
: Not applicable.
: JRBD is a former board member of Aurora Cannabis Inc., which is a for-profit, company licensed for the cultivation and sale of medical cannabis. In the past, JGH has worked as a paid advisor and speaker for Canadian Cannabis Clinics (he no longer has ties with the cannabis clinics). JRBD has a financial interest in Aurora Cannabis Inc. DTE holds a Mitacs Grant with Aurora as a partner. Mitacs is a national, not-for-profit organization that works with universities, private companies, and both federal and provincial governments, to build partnerships and administer research that supports industrial and social innovation in Canada. DTE does not have any past or present financial interest in the companies involved. CL, JMR, EH, and SK have no conflicts of interest to declare. Moreover, the research funders and companies listed were not involved in any aspect of the design or write-up of the study and all analyses were performed independent from the funders and companies.