Maxim Ben-Yakov, MDCM a, b, ⁎
, Vigil James, MD c, Amal Mattu, MD d
, William J. Brady, MD e 
a Division of Emergency Medicine, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
b University Health Network, University of Toronto, University Health Network, R. Fraser Elliott Building, 190 Elizabeth St, Toronto, ON M5G 2C4, Canada
c Children's Emergency, C/O KK Women's and Children's Hospital Pte. Ltd., 100 Bukit Timah Rd, 229899, Singapore
d Department of Emergency Medicine, University of Maryland School of Medicine, United States of America
e Department of Emergency Medicine, University of Virginia School of Medicine, United States of America