1. Department of Special Didactics, Faculty of Education and Social Work, Universidade de Vigo, Ourense, Spain
2. Department of Didactics, School Organisation and Research Methods, Universidade de Vigo, Ourense, Spain
3. Institute of Technology, Tartu Ülikool, Tartu, Estonia
4. Institute of Mechatronics and Information Systems, Lodz University of Technology, Łódź, Poland
5. Institute of Psychology, University of Lodz, Łódź, Poland
6. Department of Signal Theory and Communication, atlanTTic Research Center, Universidade de Vigo, Vigo, Spain