[1] University College London and Anna Freud National Centre for Children and Families (AFNCCF),Evidence Based Practice Unit (EBPU)
[2] Institute of Education,MRC Unit for Lifelong Health and Ageing and the Centre for Longitudinal Studies
[3] The University of Manchester,Personal Social Services Research Unit
[4] University College London,Care Policy and Evaluation Centre (CPEC)
[5] London School of Economics and Political Science,Manchester Institute of Education
[6] London School of Economics and Political Science,Department for Health
[7] The University of Manchester,School of Nursing and Health Sciences
[8] University of Bath,undefined
[9] University of Dundee,undefined