About the Authors

Henry T. Stelfox

tstelfox@ucalgary.ca

Affiliations Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada, Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada, Alberta Health Services, Alberta, Canada

Daniel J. Niven

Affiliations Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada, Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada, Alberta Health Services, Alberta, Canada

Fiona M. Clement

Affiliations Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada, O’Brien Institute of Public Health, University of Calgary, Calgary, Alberta, Canada

Sean M. Bagshaw

Affiliations Alberta Health Services, Alberta, Canada, Division of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada

Deborah J. Cook

Affiliation Departments of Medicine, Critical Care, and Clinical Epidemiology and Biostatistics, McMaster University, and St. Joseph's Healthcare, Hamilton, Ontario, Canada

Emily McKenzie

Affiliation Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada

Melissa L. Potestio

Affiliations Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada, Alberta Health Services, Alberta, Canada

Christopher J. Doig

Affiliations Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada, Alberta Health Services, Alberta, Canada

Barbara O’Neill

Affiliation Alberta Health Services, Alberta, Canada

David Zygun

Affiliations Alberta Health Services, Alberta, Canada, Division of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada

Critical Care Strategic Clinical Network, Alberta Health Services

Membership of the Critical Care Strategic Clinical Network Core Committee, Alberta Health Services, Alberta, Canada is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HTS DJN FMC SMB DJC EM MLP CJD BO DZ. Performed the experiments: HTS DJN EM MLP. Analyzed the data: HTS DJN. Contributed reagents/materials/analysis tools: HTS. Wrote the paper: HTS. Interpreted the data: HTS DJN FMC SMB DJC EM MLP CJD BO DZ. Revised the manuscript critically for important intellectual content: HTS DJN FMC SMB DJC EM MLP CJD BO DZ.