1. Division of Pulmonary Medicine, Faculty of Medicine and Dentistry University of Alberta Alberta Canada
2. G.F. MacDonald Centre for Lung Health Covenant Health Edmonton Alberta Canada
3. Faculty of Kinesiology, Sport and Recreation University of Alberta Edmonton Alberta Canada
4. Division of Pediatric Cardiology, Faculty of Medicine and Dentistry University of Alberta Alberta Canada
5. Faculty of Rehabilitation Medicine University of Alberta Alberta Canada
6. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine University of California San Diego San Diego USA
7. Department of Critical Care and Division of Cardiology, Faculty of Medicine and Dentistry University of Alberta Alberta Canada