1. Institute of Education Sciences (IUCE), Department of Didactics of Musical, Plastic and Body Expression, University of Salamanca, 37008 Salamanca, Spain
2. Department of Didactics of Musical, Plastic and Body Expression, University of Salamanca, 37008 Salamanca, Spain
3. Department of English Philology, University of Salamanca, 37008 Salamanca, Spain
4. Department of Theory and History of Education, University of Salamanca, 37008 Salamanca, Spain