1. Institute of Psychiatry, Psychology and Neuroscience (IoPPN), 16 De Crespigny Park, London SE5 8AD, UK
2. Maudsley Centre for Child and Adolescent Eating Disorders (MCCAED), Maudsley Hospital, De Crespigny Park, London SE5 8AZ, UK
3. InsideOut Institute, Central Clinical School, Faculty of Medicine and Health, Charles Perkins Centre (D17), University of Sydney, Camperdown, NSW 2006, Australia