1. Institute of Educational Foundations University of Koblenz-Landau, Landan, Germany
2. Department of Pedagogy, University of Vic – Central University of Catalonia, Vic, Spain
3. Department of Historical, Philosophical and Religious Studies, Umeå University, Umeå, Sweden
4. School of Education, University of Birmingham, Birmingham, UK
5. Department of Education, Umeå University, Umeå, Sweden
6. Department of Psychology, University of Vic – Central University of Catalonia, Vic, Spain