Text and Data Mining valid from 2018-07-20
Received: 16 October 2017
Accepted: 10 July 2018
First Online: 20 July 2018
Ethics approval and consent to participate
: Ethics approval for this study was provided by the Conjoint Health Research Ethics Board at the University of Calgary (REB 14–1828) and the University of Alberta (Pro00059113). All study participants provided informed consent and received written information about the study.
: Not applicable.
: The authors declare that they have no competing interests.
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