[1] Inst Psychiat & Neurol, Dept Neurol 2, Warsaw, Poland
[2] Med Univ Warsaw, Dept Expt & Clin Pharmacol, Warsaw, Poland
[3] Inst Psychiat & Neurol, Dept Genet, Warsaw, Poland
[4] Humboldt Univ, Dept Gastroenterol Hepatol & Endokrinol, Berlin, Germany