1 Department of Medicine, Division of Emergency Medicine, McMaster University, Hamilton, ON, Canada; Dalla Lana School of Public Health, Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; St. Joseph's Healthcare Hamilton, Hamilton, ON, Canada.
2 Department of Policy Analysis and Management, Cornell University, Ithaca, NY; Department of Family Medicine, McMaster University, Hamilton, ON, Canada; Niagara Health System, St. Catharines, ON, Canada.