[1] Heidelberg Univ, Dept Genet Epidemiol Psychiat, Cent Inst Mental Hlth, Med Fac Mannheim, D-68159 Mannheim, Germany
[2] Res Ctr Julich, Inst Neurosci & Med INM1, Julich, Germany
[3] Univ Bonn, Inst Human Genet, Bonn, Germany
[4] Univ Bonn, Dept Genom, Life & Brain Ctr, Bonn, Germany
[5] Univ Gottingen, Sect Psychiat Genet, Dept Psychiat & Psychotherapy, Univ Med Ctr, D-37073 Gottingen, Germany
[6] Univ Basel, Dept Biomed, Div Med Genet, Basel, Switzerland