1. West London NHS Trust; London UK
2. Psychiatry; St Charles Hospital; London UK
3. Adult Complex Needs Department; Tavistock and Portman NHS Foundation Trust; London UK
4. Central and North West London NHS Foundation Trust; London UK
5. Anaesthetics and Intensive Care; Queen Alexandra Hospital, Portsmouth Hospitals NHS Trust; Portsmouth UK
6. Faculty of Medicine; University of Cambridge School of Clinical Medicine; CAMBRIDGE UK
7. Old Age Psychiatry; Pyrland Ward, Wellsprings Hospital Site; Taunton UK
8. Emergency Department; Cambridge University Hospital; Cambridge UK
9. Mental Health Research Group; University of Exeter Medical School; Exeter UK
10. Dept of Psychological Medicine; Central and North West London NHS Foundation Trust; Harrow UK