1. Department of Addictions, Institute of Psychiatry, Psychology and Neuroscience King's College London London UK
2. South London and Maudsley NHS Foundation Trust London UK
3. CAMHS Digital Lab, Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neuroscience King's College London London UK
4. National & Specialist OCD, BDD and Related Disorder Clinic South London & Maudsley NHS Foundation Trust London UK
5. Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience King's College London London UK