1. Department of Research Methodology, Measurement and Data Analysis, University of Twente, Enschede, Netherlands
2. Department of Psychiatry, Amsterdam University Medical Centres, Academic Medical Centre, Amsterdam, Netherlands
3. ARQ National Psychotrauma Centre, Diemen, Netherlands
4. Department of Languages, Literature and Communication, Utrecht University, Utrecht, Netherlands
5. Department of Human Media Interaction, University of Twente, Enschede, Netherlands