1Providence Health Care, St. Paul’s Hospital, Vancouver, BC, Canada
2Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, Canada
3Providence Health Care, St. Paul’s Hospital, Vancouver, BC, Canada
4Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, Canada
5Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, Canada
6Vancouver Airport Authority, Vancouver, BC, Canada
7Providence Health Care, St. Paul’s Hospital, Vancouver, BC, Canada
8Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
9Providence Health Care, St. Paul’s Hospital, Vancouver, BC, Canada
10Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, Canada
11Department of Medicine, Division of Respiratory Medicine, University of British Columbia, Vancouver BC, Canada
✉To whom correspondence should be addressed. Don D. Sin, St. Paul’s Hospital, 1081 Burrard Street, Vancouver, BC. 1-604-806-8395 (voice); 1-604-806-9274 (FAX), Email: don.sin@hli.ubc.ca, Twitter: @donsin4
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