[1] Kings Coll London, Dept Forens & Neurodev Sci, Inst Psychiat, London WC2R 2LS, England
[2] St Andrews Acad Ctr, Northampton, England
[3] Cygnet Healthcare, London, England
[4] Icahn Sch Med Mt Sinai, Dept Psychiat, New York, NY 10029 USA
[5] Icahn Sch Med Mt Sinai, Dept Prevent Med, New York, NY 10029 USA
[6] Inst Psychiat, Dept Psychosis Studies, London, England