1 Department of Emergency Medicine (Matskiv), Queen's University, Kingston, Ont.; Department of Medicine, Cumming School of Medicine (Marshall, Viste), University of Calgary, Calgary, Alta.; Brave Technology Co-Op (Krieg), Vancouver, BC; Department of Medicine (Ghosh), Cumming School of Medicine, University of Calgary; Department of Medicine, Faculty of Medicine & Dentistry (Ghosh), University of Alberta, Calgary, Alta.
2 Department of Emergency Medicine (Matskiv), Queen's University, Kingston, Ont.; Department of Medicine, Cumming School of Medicine (Marshall, Viste), University of Calgary, Calgary, Alta.; Brave Technology Co-Op (Krieg), Vancouver, BC; Department of Medicine (Ghosh), Cumming School of Medicine, University of Calgary; Department of Medicine, Faculty of Medicine & Dentistry (Ghosh), University of Alberta, Calgary, Alta. ghosh@ualberta.ca.