1. Institute for Educational Science, University of Basel, Basel, Switzerland
2. Psychology, School of Social Sciences, University of Westminster, London, UK
3. Competence Centre for School Inclusion, Free University of Bozen-Bolzano, Bressanone, Italy
4. Kohnstamm Instituut, Amsterdam, The Netherlands
5. Department of Educational and Psychological Studies, University of Miami, Coral Gables, FL, USA