1. Department of Psychology, University of Amsterdam, Amsterdam, The Netherlands
2. Arq Psychotrauma Expert Group Diemen/Oegstgeest, The Netherlands
3. Competence Center for Transcultural Psychiatry, Mental Health Center Ballerup, Copenhagen, Denmark
4. Department of Psychology, University of Milan-Bicocca, Milan, Italy
5. Altrecht Academic Anxiety Centre, Utrecht, The Netherlands
6. Department of Clinical Psychology, Utrecht University, The Netherlands
7. Psychology Research Institute, Ulster University, Coleraine Campus, Northern Ireland
8. Research and Knowledge Center, The Danish Veteran Center, Ringsted, Denmark
9. The Research Unit and Section of General Practice, Institute of Public Health, University of Copenhagen, Denmark