1. Division of Psychology and Mental Health, University of Manchester, Manchester, M13 9PL, UK;
2. Institute of Psychology, Health and Society, University of Liverpool, Liverpool, UK;
3. Manchester Centre for Health Economics, Division of Population Health, Health Services Research and Primary Care, University of Manchester, Manchester, UK;
4. Division of Population Health, Health Services Research and Primary Care, University of Manchester, Manchester, UK;
5. Health Insights Ltd., Burton Springs Farm, Cheshire, UK;
6. School of Social and Community Medicine, University of Bristol, Bristol, UK;
7. Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, UK;
8. Tees, Esk and Wear Valleys NHS Foundation Trust, County Durham, UK;
9. West Yorkshire Probation Service, Wakefield, UK