1. Overwaal Centre of Expertise for Anxiety Disorders, OCD and PTSD, Institution for Integrated Mental Health Care Pro Persona, Nijmegen, The Netherlands
2. Behavioural Science Institute, NijCare, Radboud University, Nijmegen, The Netherlands
3. Institute of Psychology, Leiden University, Leiden, The Netherlands
4. Bureau Bêta, Nijmegen, The Netherlands
5. Department of Psychiatry, Radboud University Medical Centre, Nijmegen, The Netherlands
6. Psychotrauma Expertise Centre (PSYTREC), Bilthoven, The Netherlands