1. Department of Emergency Medicine, University of Alberta, Edmonton, AB, Canada
2. Department of Emergency Medicine, Royal Alexandra Hospital, Edmonton, AB, Canada
3. Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
4. Alberta Health Services, Edmonton, AB, Canada
5. Department of Psychiatry, University of Alberta, Edmonton, AB, Canada
6. Department of Psychiatry, Misericordia Community Hospital, Edmonton, AB, Canada