1. Consultant Child and Adolescent Psychiatrist, Greenwich Child and Adolescent Mental Health Service, Oxleas NHS Foundation Trust, Highpoint House, Shooter's Hill; London SE18 3RZ
2. Post-doctoral Research Associate, North Durham Locality Child and Adolescent Mental Health Service North End House; Durham.
3. Clinical Senior Lecturer and Honorary Consultant in the Psychiatry of Adolescence, Centre for Medical Education Research, Wolfson Research Institute, Durham University, Stockton-on-Tees TS17 6BH, UK