1. Institute of Psychology, Health and Society, University of Liverpool
2. School of Natural Sciences and Psychology, Liverpool John Moores University
3. Department of Psychology, University of Sheffield
4. Collaboration for Applied Health Research and Care-North West Coast, Liverpool, England
5. Merseycare National Health Service (NHS) Foundation Trust, Liverpool, England
6. Cheshire and Wirral Partnership NHS Foundation Trust, Cheshire, England
7. NHS Liverpool Clinical Commissioning Group, Liverpool, England
8. Spectrum Centre for Mental Health Research, Division of Health Research, Lancaster University
9. School of Nursing, University of Central Lancashire