1. Pulmonary Division, Department of Medicine; University of Alberta; Edmonton Alberta Canada
2. Faculty of Physical Education and Recreation; University of Alberta; Edmonton Alberta Canada
3. Division of Critical Care, Faculty of Medicine and Dentistry; University of Alberta; Edmonton Alberta Canada
4. Division of Cardiology, Faculty of Medicine and Dentistry; University of Alberta; Edmonton Alberta Canada
5. G. F. MacDonald Centre for Lung Health; Covenant Health; Edmonton Alberta Canada