1. Department of Didactics and School Organization, Faculty of Education, Philosophy and Anthropology, University of the Basque Country (UPV/EHU), Donostia-San Sebastián, Spain
2. Department of Didactics and School Organization, Faculty of Education of Bilbao, University of the Basque Country (UPV/EHU), Leioa Bizkaia, Spain
3. Department of Research Methods and Diagnosis in Education, Faculty of Education of Bilbao, University of the Basque Country (UPV/EHU), Leioa Bizkaia, Spain
4. Therapeutic Pedagogist in Gabriel Aresti Institute, Basque Government, Gabriel Aresti BHI, Bilbao Bizkaia, Spain