1. Faculty of Social Science, Department of Environmental Studies, Masaryk University of Brno, Brno, Czech Republic
2. Faculty of Education, Department of Education and Psychology, Technical University of Liberec, Liberec, Czech Republic
3. The Faculty of Education, Department of Pre-school and Primary Education, University of Jan Evangelista Purkyne in Usti nad Labem, Usti nad Labem, Czech Republic
4. Tereza Association, Prague, Czech Republic
5. Spora, Vlasim, Czech Republic