1. Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College; London United Kingdom
2. Department of Psychology, Institute of Psychiatry, Psychology and Neuroscience, King's College; London, United Kingdom
3. Research Department of Clinical, Educational and Health Psychology, University College London; United Kingdom
4. Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College; London, United Kingdom
5. Child and Adolescent Eating Disorders Service, South London and Maudsley NHS Foundation Trust; United Kingdom