1. Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, CF14 4YU, UK
2. PRIME Centre Wales, Division of Population Medicine, School of Medicine, Cardiff University, Cardiff, CF14 4YU, UK
3. Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, University of Manchester, Manchester, M13 9PL, UK
4. NIHR Greater Manchester Patient Safety Translational Research Centre (PSTRC), University of Manchester, Manchester, M13 9PL, UK
5. Centre for Academic Primary Care, School of Medicine, University of Nottingham, Nottingham, NG7 2UH, UK
6. Faculty of Biology, Medicine and Health, Centre for Mental Health and Safety, University of Manchester, Manchester, M13 9PL, UK
7. School of Sociology & Social Policy, University of Nottingham, Nottingham, NG7 2RD, UK
8. Greater Manchester Mental Health NHS Foundation Trust (GMMH), Manchester, M25 3BL, UK
9. Division of Population Health, Health Services Research & Primary Care, University of Manchester, Manchester, M13 9NT, UK
10. Independent Advisory Panel on Deaths in Custody, London, SW1H 9AJ, UK