[1] Univ Freiburg, Dept Virol, Abt Virol, Inst Med Mikrobiol & Hyg, D-79104 Freiburg, Germany
[2] Univ Freiburg, Abt Psychiat, D-79104 Freiburg, Germany
[3] Univ Freiburg, Inst Rechts Med, D-79104 Freiburg, Germany
[4] Univ Dusseldorf, Inst Neuropathol, D-4000 Dusseldorf, Germany
[5] Univ Bonn, Zentrum Nervenheilkunde, D-5300 Bonn, Germany
[6] Univ Wurzburg, Klin Neurochem, Abt Psychiat, Wurzburg, Germany
[7] Univ Magdeburg, Abt Psychiat, D-39106 Magdeburg, Germany
[8] Univ Munich, Abt Psychiat, Munich, Germany
[9] Univ Calif San Diego, Dept Neurosci, La Jolla, CA 92093 USA