1. Centre for Innovation in Mental Health, School of Psychology, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK
2. Solent NHS Trust, Southampton, UK
3. Hassenfeld Children’s Hospital at NYU Langone, New York University Child Study Center, New York City, NY, USA
4. Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham, UK
5. UCL School of Pharmacy, London, UK
6. East London Foundation NHS Trust, Bedfordshire, UK
7. Institute of Psychiatry, Psychology and Neuroscience, KCL, London, UK
8. National Specialist Clinic for Young People with OCD, BDD and Related Disorders, South London and Maudsley NHS Foundation Trust, London, UK
9. Department of Child and Adolescent Psychiatry, Nottinghamshire Healthcare NHS Foundation Trust, Queen’s Medical Centre, Nottingham, UK
10. National Institute of Mental Health (NIHR) MindTech Medtech Co-operative, Institute of Mental Health, Nottingham, UK
11. NIHR Nottingham Biomedical Research Centre, Mental Health & Technology Theme, Institute of Mental Health, Nottingham, UK
12. Department of Child and Adolescent Psychiatry, Institute of Psychiatry and Mental Health, Hospital General Universitario Gregorio Marañón, IiSGM, CIBERSAM, ISCIII, School of Medicine, Universidad Complutense, Madrid, Spain
13. Division of Psychiatry, Imperial College London, London, UK
14. NIHR ARC Northwest, London, UK
15. School of Clinical Medicine, University of Cambridge, Cambridge, Cambridgeshire, UK
16. Cambridgeshire and Peterborough NHS Foundation Trust, Cambridgeshire, UK
17. Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
18. Academic Psychiatry, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
19. Specialist Adolescent Mood Disorders Service (SAMS), Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle upon Tyne, UK