1 Schwartz/Reisman Emergency Medicine Institute (Grewal); Department of Emergency Medicine (Grewal), Sinai Health; Department of Medicine (Grewal), University of Toronto; ICES Central (Grewal), Toronto, Ont.; Deputy editor, CMAJ; Schwartz/Reisman Emergency Medicine Institute (Varner); Department of Emergency Medicine (Varner), Sinai Health; Department of Family and Community Medicine (Varner), University of Toronto, Toronto, Ont.