1 Dahlem Center for Neuroimaging of Emotions, Freie Universität Berlin, Berlin, Germany.
2 Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany.
3 Dahlem Center for Neuroimaging of Emotions, Freie Universität Berlin, Berlin, Germany. t.barnhofer@exeter.ac.uk.
4 Mood Disorders Centre, University of Exeter, Sir Henry Wellcome Building for Mood Disorders Research, Perry Road, Exeter, EX4 4QG, UK. t.barnhofer@exeter.ac.uk.
Maria Fissler and Emilia Winnebeck also are affiliated at Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany.