1. Whiston Hospital, St Helens and Knowsley Teaching Hospitals NHS Trust, Mersey Deanery, Health Education England, UK
2. Hull York Medical School, University of Hull, Hull, UK
3. Wolfson Palliative Care Research Centre, Hull York Medical School, University of Hull, Hull, UK
4. Head and Neck Specialities, York Hospital, York Teaching Hospitals NHS Foundation Trust, York, UK
5. Department of Health Sciences, Hull York Medical School, University of York, York, UK
6. School of Health and Related Research (ScHARR), The University of Sheffield, Sheffield, UK
7. St Luke’s Hospice, Sheffield, UK
8. Department of Emergency Medicine, Hull Royal Infirmary, Hull and East Yorkshire Hospitals NHS Trust, Hull, UK