Affiliations

• ¹ UBC James Hogg Research Center, University of British Columbia Vancouver, British Columbia, Canada.
• ² McGill University, Respiratory, Montreal Chest Institute, Montréal, Quebec, Canada.
• ³ Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada.
• ⁴ Department of Respiratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
• ⁵ Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
• ⁶ Departments of Medicine and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.
• ⁷ Department of Respiratory Medicine, University of Toronto, Toronto, Ontario, Canada.
• ⁸ Division of Respirology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
• ⁹ Centre de Pneumologie de l'hôpital Laval, Quebec City, Québec, Canada.
• ¹⁰ Oregon Health and Science University, Portland, Oregon, USA.
• ¹¹ Division of Respiratory & Critical Care Medicine, Queen's University, Kingston, Ontario, Canada.