1. Department of Clinical Psychology VU University Amsterdam Amsterdam the Netherlands
2. EMGO Institute for Health and Care Research VU University and VU University Medical Centre Amsterdam the Netherlands
3. Division of Online Health Training Innovation Incubator Leuphana University Lüneburg Lüneburg Germany
4. Department of Behavioural Sciences and Learning Linköping University Linköping Sweden
5. Department of Clinical Neuroscience Karoliniska Institute Stockholm Sweden
6. RAND Corporation Santa Monica CA USA
7. Institute of Psychology Department of Clinical Psychology and Psychotherapy University of Marburg Marburg Germany