1. Department of Psychological Medicine, Institute of Psychiatry, 10 Cutcombe Road, London SE5 9RJ
2. Maudsley Hospital, South London and Maudsley NHS Foundation Trust, Denmark Hill, London SE5 9RJ
3. School of Law, King's College London, Strand, London WC2R 2LS
4. Department of Health Service and Population Research, Institute of Psychiatry, David Goldberg Centre, De Crespigny Park, London SE5 8AF, UK