1. Epidemiology and Applied Clinical Research Department, Division of Psychiatry University College London London UK
2. Research and Development Office Goodmayes Hospital, North East London NHS Foundation Trust London UK
3. Unit for Social and Community Psychiatry, WHO Collaborating Centre for Mental Health Services Development Queen Mary University of London London UK
4. Priment Clinical Trials Unit University College London London UK
5. Department of Statistical Science University College London London UK
6. Outward Housing Outward, Newlon House London UK
7. The Befriending Scheme Sudbury Suffolk UK