1. Lincoln Medical School, University of Lincoln, Lincoln, UK
2. United Lincolnshire Hospitals Trust, Lincoln, UK
3. School of Medicine, University of Nottingham, Nottingham, UK
4. Beaumond House Community Hospice, Newark, UK
5. Lincolnshire Community Health Services Trust, Lincoln, UK
6. NIHR Applied Research Centre-East Midlands (ARC-EM), Nottingham, UK
7. NIHR Nottingham Biomedical Research Centre, Nottingham, UK
8. University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
9. Nottingham University Hospitals NHS Trust, Nottingham, UK