1. Clinical Psychology and Experimental Psychopathology, University of Groningen, Groningen, the Netherlands
2. GGZ Oost Brabant, Boekel, the Netherlands
3. Department of Medical and Clinical Psychology, Tilburg University, Tilburg, the Netherlands
4. Faculty of Psychology and Neurosciences, Maastricht University, Maastricht, the Netherlands
5. Research Department, PSYTREC, Bilthoven, the Netherlands
6. Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands
7. School of Psychology, Queen’s University, Belfast, Northern Ireland
8. Institute of Health and Society, University of Worcester, Worcester, United Kingdom
9. School of Health Sciences, Salford University, Manchester, United Kingdom
10. Behavioural Science Institute (BSI), Radboud University, Nijmegen, the Netherlands