Funding for this research was provided by:
National Institutes of Health (R01DA044181)
Canadian Institute of Health Research (PJT-162290, PJT-155943)
Article History
Received: 14 October 2020
Accepted: 27 January 2021
First Online: 2 February 2021
Ethics approval and consent to participate
: Ethical approval was received from the University of British Columbia/Providence Health Care research ethics board (H19-00505) and all participants provided written informed consent.
: Not applicable.
: The authors declare they have no competing interests.