Funding for this research was provided by:
Canadian Institutes of Health Research
Canada Research Chairs
Received: 3 October 2017
Accepted: 10 January 2018
First Online: 18 January 2018
Ethics approval and consent to participate
: This research was approved by the Research Ethics Board at the University of Alberta (reference: Pro00044542). All participants provided written informed consent before starting the research.
: Not applicable.
: The authors declare that they have no competing interests.
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