[1] Kings Coll London, Dept Psychol Med, Inst Psychiat Psychol & Neurosci, London, England
[2] Kings Coll London, ESRC Ctr Soc & Mental Hlth, London, England
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychol, London, England
[4] South London & Maudsley NHS Fdn Trust, London, England
[5] Avon & Wiltshire Mental Hlth NHS Partnership Trus, Bristol, Avon, England
[6] Nottinghamshire Healthcare NHS Fdn Trust, Nottingham, England
[7] Cambridgeshire & Peterborough NHS Fdn Trust, Cambridge, England
[8] Univ Leeds, Leeds Inst Hlth Sci, Leeds, W Yorkshire, England
[9] City Univ London, Dept Psychol, London, England
[10] Kings Coll London, Florence Nightingale Fac Nursing Midwifery & Pall, Dept Adult Nursing, London, England
[11] London Sch Hyg & Trop Med, London, England