1. Department of Internal Medicine, University of Manitoba, Winnipeg, Canada
2. Department of Community Health Sciences, University of Manitoba, Winnipeg, Canada
3. Department of Clinical Health Psychology, University of Manitoba, Winnipeg, Canada
4. Nova Scotia Health Authority, Departments of Psychiatry, Psychology and Neuroscience, and Medicine, Dalhousie University, Halifax, Canada
5. Departments of Community Health Sciences and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, Canada
6. Department of Psychiatry, University of Manitoba, Winnipeg, Canada
7. Departments of Anesthesia and Perioperative Medicine, Max Rady College of Medicine Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada