1 Critical Care Strategic Clinical Network (Bowker, Stelfox, Bagshaw), Alberta Health Services; Department of Critical Care Medicine, Faculty of Medicine and Dentistry (Bowker, Bagshaw), University of Alberta, Edmonton, Alta.; Department of Critical Care Medicine (Stelfox), Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary, Alta.
2 Critical Care Strategic Clinical Network (Bowker, Stelfox, Bagshaw), Alberta Health Services; Department of Critical Care Medicine, Faculty of Medicine and Dentistry (Bowker, Bagshaw), University of Alberta, Edmonton, Alta.; Department of Critical Care Medicine (Stelfox), Cumming School of Medicine, University of Calgary and Alberta Health Services, Calgary, Alta. [email protected].