1. Bethlem Royal Hospital, Monks Orchard Road, Beckenham, Kent, UK
2. National Psychosis Service, South London and Maudsley NHS Foundation Trust, London, UK
3. National Psychosis Service, South London and Maudsley NHS Foundation Trust, London, UK and Institute of Psychiatry, Kings College London, London, UK
4. Pharmacy Department, South London and Maudsley NHS Foundation Trust, London, UK and Institute of Psychiatry, Kings College London, London, UK