Johnson, Kate M.
Bryan, Stirling
Ghanbarian, Shahzad
Sin, Don D.
Sadatsafavi, Mohsen
Funding for this research was provided by:
Canadian Institutes of Health Research (142238)
Article History
Received: 9 November 2017
Accepted: 29 January 2018
First Online: 7 February 2018
Ethics approval and consent to participate
: Is not required because this study does not include analysis of individual data.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.