1. Newham Centre for Mental Health, East London NHS Foundation Trust and University of Essex, London E13 8SP, UK
2. Buckinghamshire NHS Primary Care Trust, Community Pharmacy, Aylesbury HP19 8ET, UK
3. North East London NHS Foundation Trust, General Adult Psychiatry, Ilford, Essex IG3 8XJ, UK
4. Kent and Medway NHS and Social Care Partnership Trust, Kent ME19 4AX, UK