1. Department of Psychiatry and Behavioural Sciences, Royal Free and
University College Medical School, Royal Free Campus, Rowland Hill Street, London
NW3 2PF
2. Section of Forensic Psychiatry, Jenner Wing, St George's Hospital
Medical School, London SW17 0RE
3. Archway Sexual Health Clinic, Archway Wing, Whittington Hospital,
Highgate Hill, London N19 5NF, UK