[1] Ruhr Univ Bochum, LWL Univ, Dept Psychosomat Med & Psychotherapy, Bochum, Germany
[2] Heidelberg Univ, Med Fac Mannheim, Cent Inst Mental Hlth, Dept Cognit & Clin Neurosci, Mannheim, Germany
[3] Univ Koblenz Landau, Dept Psychol, Landau, Germany
[4] Max Planck Inst Psychiat, Dept Clin Neuropharmacol, Munich, Germany