1. Division of Respirology, Department of Medicine, and
2. Keenan Centre for Biomedical Research, St. Michael’s Hospital, Toronto, Ontario, Canada
3. Respiratory and Critical Care Department, Pitié Salpetriere Hospital, Assistance Publique–Hôpitaux de Paris, Paris, France
4. Physiotherapy Department and
5. University of Canberra, Canberra, Australia
6. Intensive Care Unit, Canberra Hospital, Canberra, Australia
7. Australian National University Medical School, Canberra, Australia
8. Department of Physical Therapy, University of Florida, Gainesville, Florida
9. Department of Anesthesia, University Health Network, Toronto, Ontario, Canada
10. Interdepartmental Division of Critical Care Medicine
11. Department of Anesthesia
12. Department of Medicine
13. Institute for Health Policy, Management, and Evaluation
14. Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
15. Department of Physiology, and
16. Department of Physical Therapy, University of Toronto, Toronto, Ontario, Canada; and