1. GGZ inGeest, Amsterdam, the Netherlands
2. Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
3. Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
4. Faculty of Behavioural and Movement Sciences, Department of Clinical, Neuro- and Developmental Psychology, VU Amsterdam, Amsterdam, the Netherlands
5. Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
6. Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
7. Department of Clinical Neuroscience, Division of Psychiatry, Karolinska Institutet, Stockholm, Sweden
8. Department of Clinical Psychology and Psychotherapy, University of Bern, Bern, Switzerland
9. Department of Psychology, Stockholm University, Stockholm, Sweden
10. Department of Psychology, Uppsala University, Uppsala, Sweden
11. Departement de Psychoéducation et Psychologie, Université du Québec en Outaouais, Gatineau, Quebec, Canada
12. Centre de Recherche, Centre Intégré de Santé et des Services Sociaux de l’Outaouais, Gatineau, Quebec, Canada
13. Betty Irene Moore School of Nursing, University of California, Davis, Sacramento
14. Institute of Psychology, University of Münster, Münster, Germany
15. Department of Psychology, Wilfrid Laurier University, Waterloo, Ontario, Canada
16. Clinic of Psychosomatic Medicine and Psychotherapy, University Medicine Goettingen, Georg-August-Universität Goettingen, Goettingen, Germany
17. Department of Psychosomatics and Psychotherapy, Justus-Liebig-University Giessen, Giessen, Germany