1. Medical Sociology & Health Experiences Research Group (MS&HERG), Nuffield Department of Primary Care Health Sciences, University of Oxford, Radcliffe Observatory Quarter, Woodstock Road, Oxford OX2 6GG, UK
2. University College London, London, UK
3. Cambridgeshire Community Services NHS Trust, Cambridge, UK
4. Oxford University Hospitals NHS Foundation Trust, Oxford, UK
5. 4M Network, London, UK
6. University of Oxford, Oxford, UK