1. CAMHS Digital Lab, Department of Child and Adolescent Psychiatry, King’s College London, London, United Kingdom
2. King’s Centre for Military Health Research, King’s College London, London, United Kingdom
3. South London and Maudsley NHS Foundation Trust, London, United Kingdom
4. Square Health Ltd., Windsor, United Kingdom
5. Department of Psychiatry, University of Oxford, Oxford, United Kingdom
6. Centre for Research on Play in Education, Development, and Learning, University of Cambridge, Cambridge, United Kingdom