[1] Karolinska Inst, Karolinska Hosp, Dept Clin Neurosci, Psychiat Sect, S-17176 Stockholm, Sweden
[2] GlaxoSmithKline Pharmaceut, Psychiat Ctr Excellence Drug Discovery, Harlow CM19 5AW, Essex, England
[3] Univ Kuopio, Niuvanniemi Hosp, Dept Forens Psychiat, FIN-70240 Kuopio, Finland