CMAJ 2016 Oct 2;188(14):1004-1011. Epub 2016 Aug 2.
Centre for Clinical Epidemiology and Evaluation (Zafari, Bryan, Sadatsafavi), Vancouver Coastal Health Research Institute, University of British Columbia; Centre for Heart and Lung Innovation (Sin, Man, McManus, Hollander), St. Paul's Hospital; Institute for Heart and Lung Health (Sin, Man, McManus, Hollander, Sadatsafavi), University of British Columbia; Division of Respiratory Medicine (Sin, Lam, Man, Sadatsafavi), Department of Medicine, University of British Columbia, Vancouver, BC; University Medical Center Groningen (Postma, Vonk), Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, Groningen; University Medical Center Groningen (Postma), Department of Pulmonary Diseases, University of Groningen, Groningen, the Netherlands; Department of Respiratory Medicine and Allergology (Löfdahl), Lund University, Lund, Sweden; Department of Epidemiology (Vonk), University of Groningen, University Medical Center Groningen, the Netherlands; School of Population and Public Health (Bryan), University of British Columbia, Vancouver, BC; Collaboration for Outcomes Research and Evaluation, Faculty of Pharmaceutical Sciences (Khakban), University of British Columbia, Vancouver, BC; David Geffen School of Medicine at UCLA (Tashkin), Los Angeles, Calif.; Johns Hopkins University School of Medicine (Wise), Baltimore, Md.; University of Minnesota School of Public Health (Connett), Minneapolis, Minn.; PROOF Centre for Excellence (McManus, Ng, Hollander), Vancouver, BC; Department of Community Health Sciences (Tammemagi), Brock University, St. Catharines, Ont.