1 Deputy editor, CMAJ (Varner); Schwartz/Reisman Emergency Medicine Institute (Varner); Department of Emergency Medicine (Varner), Sinai Health, Department of Family & Community Medicine, University of Toronto; ICES Central (Ray); Keenan Research Centre (Ray), Li Ka Shing Knowledge Institute, St. Michael's Hospital; Departments of Medicine, and Obstetrics and Gynecology (Ray), St. Michael's Hospital, Toronto, Ont.