1. Department of Sociology, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
2. Department of Educational Theories and Social Pedagogy, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
3. Faculty of Psychology and Education Sciences, Universitat Oberta de Catalunya, Barcelona, Spain
4. Department of Pedagogy, Universitat de Girona, Girona, Spain