1. Department of Public Health, Policy and Systems, Institute of Population Health, University of Liverpool, Liverpool, UK
2. Faculty of Health and Education, School of Childhood, Youth and Education Studies, Manchester Metropolitan University, Manchester, UK
3. National Collaborating Centre for Mental Health, Royal College of Psychiatrists, London, UK
4. Department of Health Data Science, Institute of Population Health, University of Liverpool, Liverpool, UK
5. Centre for Social Ethics and Policy, University of Manchester, Manchester, UK
6. Institute of Life Course and Medical Science, University of Liverpool and Department of Critical Care, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
7. South Eastern Health & Social Services Trust, Ulster Hospital, Belfast, UK
8. University of Hertfordshire and East & North Herts NHS Trust, Stevenage, UK
9. ICU Steps, London, UK
10. Imperial College London and Imperial College Healthcare NHS Trust, London, UK
11. ICU Steps, PPI Partner, UK
12. PPI Partner, UK
13. Intensive Care National Audit & Research Centre, London, UK
14. Centre for Biomedical Ethics, National University of Singapore, Singapore
15. Health Research Authority, London, UK
16. University of Edinburgh, Scotland, UK