1. School of Health and Life Sciences, GCU, Glasgow, UK
2. Department of Psychology, University of Strathclyde, Glasgow, UK
3. Waverley Care, Edinburgh, UK
4. Chalmers Centre, NHS Lothian, Edinburgh, UK
5. Kirby Institute, UNSW, Sydney, Australia
6. Public Health Department, NHS Greater Glasgow and Clyde, Glasgow, UK
7. Public Health and Health Policy Department, NHS Lothian, Edinburgh, UK
8. Institute for Social Sciences Research, The University of Queensland, Brisbane, Australia