1 Division of Psychology and Language Sciences, University College London, United Kingdom; Anna Freud National Centre for Children and Families, London, United Kingdom. Electronic address: [email protected].
2 Faculty of Psychology, University of Bergen, Norway; Regional Centre for Child and Youth Mental Health and Child Welfare - West, NORCE Norwegian Research Centre, Bergen, Norway.
3 Institute of Psychiatry, Psychology & Neuroscience, King's College London, United Kingdom; South London and Maudsley NHS Foundation Trust, United Kingdom.
4 School of Health and Wellbeing, University of Glasgow, United Kingdom.
5 School of Psychology, Cardiff University, United Kingdom.
6 School of Health Sciences, University of Canterbury, Christchurch, New Zealand.
7 Graduate School of Social Work, University of Denver, Colorado; Kempe Center, University of Colorado School of Medicine, Aurora, Colorado.