[1] Hannover Med Sch, Dept Psychiat Social Psychiat & Psychotherapy, Hannover, Germany
[2] Univ Lubeck, Dept Neurol, Lubeck, Germany
[3] Int Neurosci Inst, Clin Neurosci Lab, Hannover, Germany
[4] Univ Lubeck, Inst Psychol 2, Lubeck, Germany
[5] Ruhr Univ, LWL Univ Hosp, Dept Psychosomat Med & Psychotherapy, Bochum, Germany