1 Department of Emergency Medicine (Bell), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Emergency Medicine (Murray), Faculty of Health Sciences, Queen's University; Emergency Medicine (Murray), Kingston Health Sciences Centre, Kingston, Ont.; Department of Emergency Medicine (Atkinson), Dalhousie University, Saint John Regional Hospital; Dalhousie Medicine New Brunswick (Atkinson), Saint John, NB colinbell85@gmail.com.
2 Department of Emergency Medicine (Bell), Cumming School of Medicine, University of Calgary, Calgary, Alta.; Department of Emergency Medicine (Murray), Faculty of Health Sciences, Queen's University; Emergency Medicine (Murray), Kingston Health Sciences Centre, Kingston, Ont.; Department of Emergency Medicine (Atkinson), Dalhousie University, Saint John Regional Hospital; Dalhousie Medicine New Brunswick (Atkinson), Saint John, NB.