1. Department of Primary Care and Population Health, Centre for Ageing Population Studies, Royal Free Campus University College London London UK
2. Marie Curie Palliative Care Research Department University College London London UK
3. South West London and St George's Mental Health NHS Trust London UK
4. NIHR Applied Research Collaborative (ARC) South London King's College London, Strand London UK
5. NIHR Policy Research Unit in Health and Social Care Workforce King's College London, Strand London UK
6. Patient and Public Involvement Representative Lonodn UK
7. Department of Psychological Medicine, Royal London Hospital East London NHS Foundation Trust London UK