1. From Rescu, Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital (BLB, ID, LJM), Toronto, Ontario, Canada; York Region Emergency Medical Services (BLB, ID), York Region, Ontario, Canada; the School of Health and Wellness, Centennial College (BLB), Toronto, Ontario, Canada; Sunnybrook Centre for Prehospital Medicine (SMK), Toronto, Ontario, Canada; the Institute of Medical Science, University of Toronto (ID, LJM), Toronto, Ontario, Canada; the Division of Emergency Medicine,...