1 Jonathan Green, Professor of Child and Adolescent Psychiatry, University of Manchester and Manchester Academic Health Sciences Centre. Email: [email protected]; N. Biehal, Department of Social Policy and Social Work, University of York, York; C. Roberts, Centre for Biostatistics, Institute of Population Health, University of Manchester, Manchester; J. Dixon, Social Policy Research Unit (SPRU), University of York, York; C. Kay, Institute of Brain Behaviour and Mental Health, University of Manchester, Manchester; E. Parry, Mood Disorders Centre, University of Exeter, Exeter; J. Rothwell, A. Roby, D. Kapadia, Institute of Brain Behaviour and Mental Health, University of Manchester, Manchester; S. Scott, Institute of Psychiatry, King's College London, London; I. Sinclair, Social Policy Research Unit (SPRU), University of York, York, UK.