Funding for this research was provided by:
Vancouver Coastal Health Research Institute (50,000)
Article History
Received: 21 April 2017
Accepted: 22 November 2018
First Online: 12 December 2018
Ethics approval and consent to participate
: Ethics approval was obtained from the Ethics Board at the University of British Columbia. All participants read and signed a consent form prior to participation.
: Not applicable.
: The authors declare that they have no competing interests.
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