1. From the Wilson Centre, Toronto, Ontario, Canada (J.M., W.T.); Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada (J.M.); Peel Regional Paramedic Services, Regional Municipality of Peel, Brampton, Ontario, Canada (J.M., P.S.); Department of Post-Graduate Medical Education, University of Toronto, Ontario, Canada (W.T.); and York Region Paramedic Services, Regional Municipality of York, Sharon, Ontario, Canada (W.T.).