1. School of Psychology; Cardiff University; Cardiff UK
2. Department of Child & Adolescent Psychiatry and NIHR Biomedical Research Centre for Mental Health; King's College London, Institute of Psychiatry Psychology and Neuroscience; London UK
3. Guy's & St Thomas’ NHS Foundation Trust; London UK
4. Biostatistics Department and Biomedical Research Centre for Mental Health; King's College London, Institute of Psychiatry Psychology and Neuroscience; London UK
5. Great Ormond Street Hospital for Children NHS Foundation Trust; London UK
6. Oxford University Hospitals NHS Foundation Trust; Oxford UK
7. SGDP Research Centre King's College London, Institute of Psychiatry Psychology and Neuroscience; London UK
8. Department of Psychology; King's College London, Institute of Psychiatry Psychology and Neuroscience; London UK