1. Department of Emergency Medicine, University of Calgary, Calgary, Alberta
2. University of Calgary, Cumming School of Medicine, Calgary, Alberta
3. University of Saskatchewan, Department of Psychiatry, Regina, Saskatchewan
4. University of Calgary, Department of Critical Care Medicine, Calgary, Alberta
5. University of Calgary, Department of Cardiology, Calgary, Alberta
6. Poison and Drug Information Service (PADIS), Alberta Health Services, Calgary, Alberta