1. Section of Eating Disorder Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK
2. Department of Biostatistics Institute of Psychiatry, Psychology and Neuroscience, King's College London London UK
3. Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, EPE Lisbon Portugal
4. Division of Medicine University College London London UK
5. Beat Norwich UK
6. South London and Maudsley NHS Foundation Trust London UK