[1] Univ Liverpool, Dept Mol & Clin Pharmacol, Inst Translat Med, Liverpool L69 3BX, Merseyside, England
[2] Kings Coll London, MRC, Social Genet & Dev Psychiat Res Ctr, Inst Psychiat, London WC2R 2LS, England
[3] South London & Maudsley NHS Fdn Trust, Natl Inst Hlth Res, Biomed Res Ctr Mental Hlth, London SE5 8DF, England
[4] Kings Coll London, Inst Psychiat, London SE5 8DF, England
[5] Univ Halle Wittenberg, Dept Psychiat, D-06108 Halle, Germany