[1] Massachusetts Gen Hosp, Dept Psychiat, Boston, MA 02114 USA
[2] Harvard Univ, Sch Med, Boston, MA 02115 USA
[3] MIT, Whitehead Inst, Ctr Genome Res, Cambridge, MA 02139 USA
[4] Univ Bonn, Dept Psychiat, Genet Mol Lab, D-53111 Bonn, Germany
[5] Cardiff Univ, Dept Psychol Med, Cardiff CF4 4XN, S Glam, Wales
[6] Univ Bonn, Dept Psychiat, D-53105 Bonn, Germany
[7] Mental State Hosp, D-85529 Haar, Germany
[8] Univ Pecs, Sch Med, Dept Psychiat, H-7623 Pecs, Hungary
[9] Univ Regensburg, Dept Psychiat, D-93042 Regensburg, Germany
[10] Hebrew Univ Jerusalem, Hadassah Med Ctr, Dept Psychiat, IL-91120 Jerusalem, Israel
[11] Univ Western Australia, Graylands Hosp, Ctr Clin Res Neuropscyhiat, Mtr Claremont, WA 6010, Australia
[12] Med Univ Sofia, Dept Psychiat, Sofia 1431, Bulgaria