1. Research Department PSYTREC, Bilthoven, The Netherlands
2. Radboud University Nijmegen, Behavioural Science Institute (BSI), The Netherlands.
3. Wiskunde & Statistiek Inzichtelijk (WISI), Leiden, The Netherlands
4. Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, The Netherlands
5. School of Health Sciences, Salford University, Manchester, UK
6. Institute of Health and Society, University of Worcester, UK
7. School of Psychology, Queen’s University, Belfast, Northern Ireland