1. Faculty of Social Sciences, Department of Pedagogy, Jan Dlugosz University in Czestochowa, Częstochowa, Poland
2. Faculty of Social Sciences and Humanities, Department of pedagogy, John Paul II University of Applied Sciences in Biala Podlaska, Biała Podlaska, Poland
3. Faculty of Education, The Institute of Education and Social Studies, Palacký University Olomouc, Olomouc, Czech Republic
4. Faculty of Education, Prešov University in Prešov, Presov, Slovakia