1. Department of Psychiatry, University of Cambridge, Cambridge, UK
2. Charlie Waller Institute, University of Reading, Reading, UK
3. David Goldberg Centre, King’s College London, London, UK
4. Institute of Brain, Behaviour and Mental Health, University of Manchester, Manchester, UK
5. Child and Adolescent Psychiatry, University of Manchester, Manchester, UK
6. School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
7. Centre for Biostatistics, University of Manchester, Manchester, UK
8. Cambridge and Peterborough NHS Foundation Trust, Cambridge, UK
9. Anna Freud National Centre for Children and Families, London, UK
10. Research Department of Clinical, Educational and Health Psychology, University College London, London, UK
11. Tavistock and Portman NHS Foundation Trust, London, UK