1. Department of Psychiatry, Psychosomatic and Psychotherapy, University of Lübeck, Lübeck, Germany
2. Department of Psychiatry and Psychotherapy, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
3. Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands
4. Faculty of Health and Medical Science, University of Western Australia, Perth, Australia
5. Department of Clinical Psychological Science, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands