Funding for this research was provided by:
Institute of Health Services and Policy Research (PHE148161)
Michael Smith Foundation for Health Research (16603, 2012-5139 HSR, 16743)
Institute of Population and Public Health (CPP-329455-107837)
Text and Data Mining valid from 2019-11-08
Received: 12 April 2019
Accepted: 17 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: Ethics approval for this study was obtained from the University of British Columbia Children’s and Women’s Hospital Research Ethics Board for research involving human subjects (H16-01006).
: Not applicable.
: The authors declare that they have no competing interests.