[1] Univ Cambridge, Inst Biotechnol, Cambridge, England
[2] Univ Cambridge, NIHR Biomed Res Ctr, Dept Clin Biochem, Cambridge, England
[3] Univ Cologne, Dept Psychiat & Psychotherapy, Cologne, Germany
[4] Erasmus Univ, Ctr Med, Dept Psychiat, Rotterdam, Netherlands
[5] Univ Med Fac, Dept Psychiat, Munster, Germany
[6] Psynova Neurotech Ltd, St Johns Innovat Ctr, Cambridge, England
[7] Univ Heidelberg, Cent Inst Mental Hlth, D-6800 Mannheim, Germany
[8] Univ Magdeburg, Dept Psychiat, D-39106 Magdeburg, Germany