Funding for this research was provided by:
Alberta Health Services
Text and Data Mining valid from 2019-08-05
Received: 7 September 2018
Accepted: 29 July 2019
First Online: 5 August 2019
Ethics approval and consent to participate
: The clinical trial reported in the analysis has received written consent from the Health Research Ethics Review Board at the University of Alberta (Pro00038495) for adults aged 18 who were cognitively capable of giving informed consent. Approval was first given on 30th July 2013 and then included some small changes.
: Not applicable.
: The authors declare that they have no competing interests.