1. Evidence Synthesis Team , NIHR ARC South West Peninsula (PenARC), , Exeter EX1 2LU , UK
2. University of Exeter Medical School, College of Medicine and Health, St Luke’s Campus, University of Exeter , NIHR ARC South West Peninsula (PenARC), , Exeter EX1 2LU , UK
3. Mental Health Research Group, University of Exeter Medical School, St Luke’s Campus, University of Exeter , Exeter EX1 2LU , UK
4. Health Economics Group, University of Exeter Medical School, St Luke’s Campus, University of Exeter , Exeter EX1 2LU , UK
5. Health Statistics Group , PenARC, , Exeter EX1 2LU , UK
6. University of Exeter Medical School, College of Medicine and Health, St Luke’s Campus, University of Exeter , PenARC, , Exeter EX1 2LU , UK
7. Royal Devon and Exeter NHS Foundation Trust , Exeter EX2 5DW , UK
8. Centre for Research in Aging and Cognitive Health, PenARC, University of Exeter Medical School, St Luke’s Campus, University of Exeter , Exeter EX1 2LU , UK
9. Graduate School of Education, College of Social Sciences and International Studies, St Luke’s Campus, University of Exeter , Exeter EX1 2LU , UK
10. Hospiscare , Exeter EX2 5JJ , UK
11. Pottles Court Care Home, Days-Pottles Lane, Exminster, Summercourt Care Home, Teignmouth , Exeter EX6 8DG , UK
12. The Alan Turing Institute , London , UK