1. Department of Psychiatry, Psychotherapy and Psychosomatics, Martin-Luther-University Halle-Wittenberg, Halle, Germany;
2. Psychiatry Neuroimaging Branch, Imaging Center NeuroImage Nord and Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany;
3. Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany;
4. Department of Psychiatry and Psychotherapy, University of Leipzig, Leipzig, Germany