Dr. Nicky Dummett MBBChir BA (Hons) DCH MMedSc MRCPsych- Consultant Child and Adolescent Psychiatrist, Leeds Primary Care Trust, Leeds, UK Dr Christopher Williams MBChB BSc (Hons) MMedSc MD FRCPsych- Senior LEcturer in Psychiatry, University of Glasgow and Honorary Consultant Psychiatrist, Glasgow, UK