[1] Maastricht Univ, Med Ctr, Dept Psychiat & Neuropsychol, Maastricht, Netherlands
[2] Max Planck Inst Psychiat, Clin Psychol & Epidemiol Unit, D-80804 Munich, Germany
[3] Tech Univ Dresden, Inst Clin Psychol & Psychotherapy, Dresden, Germany
[4] Inst Psychiat, Div Psychol Med, London, England