Funding for this research was provided by:
Canadian Institutes of Health Research (136796)
Received: 5 September 2019
Accepted: 2 January 2020
First Online: 9 January 2020
Ethics approval and consent to participate
: The protocol (#14/27) was reviewed and approved by the Douglas Hospital Research Ethics Board. All participants were competent adults and gave written informed consent themselves. As such, it was not necessary to collect informed consent from next of kin or the nearest relative.
: Not applicable.
: The authors declare that they have no competing interests.