1. Exeter Medical School University of Exeter UK
2. Department of Psychiatry Child and Adolescent Psychiatry Cambridge UK
3. Department of Public Health University of Southern Denmark Odense C Denmark
4. University of Exeter Medical School UK
5. Child Mental Health Research Group, Institute of Health Research College of Medicine and Health Exeter UK
6. Centre for Academic Mental Health, Population Health Sciences University of Bristol Medical School UK
7. NIHR ARC South West Peninsula (PenARC) University of Exeter UK