Andrew Pickles, Barbara Maughan, Michael Wadsworth, UK) Pickles, Andrew (Professor of Epidemiological and Social Statistics, University of Manchester, UK) Maughan, Barbara (MRC Social, Genetic and Developmental Psychiatry Centre, King's College London, Institute of Psychiatry, London, UK) Wadsworth, Michael (Retired Director of the MRC National Survey of Health and Development, University College London, London
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