[1] Kings Coll London, Dept Psychol Med, Inst Psychiat Psychol & Neurosci, London, England
[2] Kings Coll London, Dept Forens & Neurodev Sci, Inst Psychiat Psychol & Neurosci, London, England
[3] UCL, Div Psychiat, London, England
[4] South London & Maudsley NHS Fdn Trust, London, England
[5] Univ Cambridge, Dept Psychiat, Cambridge, England
[6] Kings Coll London, Dept Child & Adolescent Psychiat, Inst Psychiat Psychol & Neurosci, London, England