Funding for this research was provided by:
Canadian Institutes of Health Research
Text and Data Mining valid from 2020-02-07
Received: 17 October 2019
Accepted: 30 January 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: This study was approved by the Providence Health Care Research Ethics Board (H011–50110), University of British Columbia for the retrospective use of the histological data that had been obtained in a previous study (Hogg et al. N Engl J Med 2004). All the participants provided informed consent to participate in the original study.All animal procedures were approved by the University of British Columbia Animal Care Committee (A11–0149).
: (Not applicable)
: DDS is a Tier 1 Canada Research Chair in COPD and holds the De Lazzari Family Chair at the Centre for Heart Lung Innovation.All other authors declare that they have no competing interests.