1. Peel Regional Paramedic Services, Department of Community Programs, Regional Municipality of Peel, Ontario, Canada (P.J.S., G.S.N.).
2. Aultman College of Nursing & Health Sciences, Department of Health Sciences, Canton, OH (J.L.P.).
3. North York General Hospital, Department of Research and Innovation, Ontario, Canada (K.N.D.).
4. Institute of Health Policy, Management and Evaluation, University of Toronto, Ontario, Canada (K.N.D).