1. Palliative and End of Life Care Research Group, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
2. Bristol Medical School, University of Bristol, Bristol, UK
3. Chief Technology Officer, Clause, Inc., Winchester, UK
4. Palliative Care Department, Cardiff University School of Medicine and Velindre University NHS Trust, Cardiff, UK
5. Department for Medicine for Older People, North Bristol NHS Trust, Bristol, UK