1. Department of Psychiatry, Sozialstiftung Bamberg, Bamberg, Germany
2. Department of Orthopaedic Rehabilitation, Sozialstiftung Bamberg, Bamberg, Germany
3. Department of Physiological Psychology, Otto-Friedrich University Bamberg, Bamberg, Germany
4. Centre for Psychiatry, Justus Liebig University School of Medicine Gießen, Gießen, Germany
5. Department for Psychology I, Institute of Psychology, University of Würzburg, Würzburg, Germany