1. Department of Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, Canada;
2. Tees, Esk and Wear Valleys NHS Foundation Trust, UK;
3. The Mathison Centre for Mental Health Research and Education, Calgary, Canada;
4. Cumming School of Medicine, University of Calgary, Calgary, Canada;
5. Nuffield Department of Surgical Sciences, John Radcliffe Hospital, University of Oxford, Oxford, UK;
6. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy