1National and Specialist Acorn Lodge Inpatient Children Unit, South London and Maudsley NHS Foundation Trust, London, UK
2Department of Primary Care & Population Health, University College London, London, UK
3Department of Psychology, School of Arts and Social Sciences, City University London, London, UK
4Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
5Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, USA
6Centre for Longitudinal Studies, Department of Social Science, University College London, London, UK
7Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK