1. School of Health and Related Research (ScHARR), Sheffield, UK
2. Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK
3. Clinical Trials Research Unit (CTRU), ScHARR, Sheffield, UK
4. Department of Paediatrics & Department of Psychiatry, The University of Melbourne, Victoria, Australia
5. Division of Psychiatry & Applied Psychology & Centre for ADHD and Neurodevelopmental Disorders Across the Lifespan, Institute of Mental Health, University of Nottingham, Nottingham, UK
6. Medway NHS Foundation Trust, Kent, UK
7. Sheffield Children’s NHS Foundation Trust, UK
8. Global HEOR and Epidemiology, Wayne, PA, USA
9. Lincolnshire Partnership NHS Foundation Trust, Lincoln, UK
10. Arena Pharmaceuticals, San Diego CA, USA
11. Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK