1. Department of Clinical, Neuro- and Developmental Psychology, Amsterdam Public Health Research Institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
2. Department of Psychology, Koç University, Sariyer/Istanbul, Turkey
3. School of Psychology, University of New South Wales, Sydney, Australia
4. Division of Clinical-Psychological Intervention, Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
5. Department of Health Services Research and Policy, Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK
6. Amsterdam UMC, Amsterdam, The Netherlands
7. i-Psy Mental Health Care, Almere, the Netherlands
8. Care Policy and Evaluation Centre, Department of Health Policy, London School of Economics and Political Science, London, UK
9. Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
10. Public Health Section, United Nations High Commissioner for Refugees, Geneva, Switzerland
11. Technical Unit, International Medical Corps, London, UK
12. International Federation of Red Cross and Red Crescent Societies Reference Centre for Psychosocial Support, Copenhagen, Denmark
13. KIT Health, KIT Royal Tropical Institute, Amsterdam, The Netherlands