1 Physician Learning Program, Continuing Medical Education and Professional Development, Health Sciences Centre, G‑302, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada.
2 Department of Emergency Medicine, Cumming School of Medicine, University of Calgary, Calgary, Canada.
3 Physician Learning Program, Continuing Medical Education and Professional Development, Health Sciences Centre, G‑302, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB, T2N 4N1, Canada. shawn.dowling@ucalgary.ca.
4 Department of Emergency Medicine, Cumming School of Medicine, University of Calgary, Calgary, Canada. shawn.dowling@ucalgary.ca.