… The authors would like to thank the men and women who participated in the study, and
individuals in the CanCOLD Collaborative Research Group not listed as authors: Jonathon …

… The Canadian Cohort Obstructive Lung Disease (CanCOLD… Canadian Respiratory Research
Network and the industry partners AstraZeneca Canada Ltd, Boehringer Ingelheim Canada …

… study and individuals in the CanCOLD Collaborative research Group: Executive Committee:
Jean Bourbeau, (Mcgill University, Montreal, QC, Canada); Wan C Tan, J Mark FitzGerald; …

… the CanCOLD study has been described elsewhere.20 Patients or public were not involved
in the design and conduct of this research. … four groups: (1) never-smokers with normal lung …

… : The data underlying this article was provided by CanCOLD by permission. 292 Data will
be shared on request to the corresponding author with permission of CanCOLD. 293 …

… Canadian Cohort of Obstructive Lung Disease (CanCOLD), which is a multicenter prospective
longitudinal cohort study conducted across Canada. … the CanCOLD Research Group upon …

… of the Canadian Cohort Obstructive Lung Disease (CanCOLD) … members of the CanCOLD
collaborative research group. … a spokesperson on behalf of the Canadian Thoracic Society, …

… , Canada) were recruited between February 2012 and December 2015 for this sub-study.
CanCOLD is … in 9 Canadian cities [30]. Subjects had to be 40 years or older to participate in the …

… in the Canadian Cohort Obstructive Lung Disease (CanCOLD) study, a prospective
longitudinal study for COPD with random population sampling. The research questions were as …

… CanCOLD (Canadian Cohort Obstructive Lung Disease) study, which received approval by
the ethical review boards at each site. CanCOLD … CanCOLD Collaborative Research Group. …