1. Department of Clinical Psychology, Faculty of Social and Behavioural Sciences, Utrecht University, Utrecht, the Netherlands
2. ARQ National Psychotrauma Centre, Diemen, the Netherlands
3. Department of Clinical Psychology and Experimental Psychopathology, Faculty of Behavioral and Social Sciences, University of Groningen, Groningen, the Netherlands
4. Department of Psychology, Health & Technology, Faculty of Behavioural Management and Social Sciences, University of Twente, Enschede, the Netherlands