Affiliation: | 1. Department of Medicine, McMaster University, Hamilton, Ontario, Canada;2. Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada;3. Schwartz/Reisman Emergency Medicine Research Institute, Sinai Health System, Toronto, Ontario, Canada Division of Emergency Medicine, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada;4. Department of Medicine, McMaster University, Hamilton, Ontario, Canada Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada;5. Department of Medicine, McMaster University, Hamilton, Ontario, Canada Emergency Department, Hamilton Health Sciences, Hamilton, Ontario, Canada |