Published on in Vol 22 , No 5 (2020) :May

1 Institute for Research on Children, Youth and Family , Masaryk University , Brno , CZ
2 Faculty of Informatics , Masaryk University , Brno , CZ
3 Faculty of Education , University of Ostrava , Ostrava , CZ
4 Faculty of Social Studies , Masaryk University , Brno , CZ
*all authors contributed equally