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Article History

Received: 11 May 2021

Accepted: 16 August 2021

First Online: 10 September 2021

Declarations

:

: Research ethics approval was obtained from the University of Alberta Health Research Ethics Board (PRO 00083651) and Veritas Research Ethics Board (Ontario) (16111–13:21:103–01-2017). Informed consent was provided by the patients attending the cannabis clinics during the first visit, which allows data to be collected and used for clinical and research purposes. The administrative data were provided by the ICES who hold the Ontario administrative databases and all data was released as de-identified data. All methods were carried out in accordance with relevant guidelines and regulations.

: Not applicable.

: JRBD is a former board member for a major cannbis company. JGH has worked as a paid advisor and speaker for Canadian Cannabis Clinics. JRBD has a financial interest in Aurora Cannabis Inc. DTE and JRBD hold a Mitacs Grant with Aurora as a partner. AZ is a former Mitacs/Aurora post-doctoral fellow. 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 funding that supports industrial and social innovation in Canada. AZ and DTE do not have any past or present financial interest in the companies involved. CL, JM, and EH have no conflicts of interest to declare. Moreover, the above mentioned entities, research funders and companies listed were not involved in any aspect of the design or write-up of the study and all analysis was performed independent from the funders and companies.