[1] Kings Coll London, Sch Med, Dept Psychol Med, Cutcombe Rd, London SE5 9RJ, England
[2] Kings Coll London, Inst Psychiat, Dept Psychosis Studies, London SE5 9RJ, England
[3] Kings Coll London, Inst Psychiat, Dept Psychol Med, London SE5 9RJ, England