1. Department of Physics Education, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
2. Institute of Geology and Paleontology, Faculty of Science, Charles University, Prague, Czech Republic
3. Department of Biology Education, Faculty of Science, Charles University, Prague, Czech Republic
4. Department of Mathematics Education, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
5. Department of Social Geography and Regional Development, Faculty of Science, Charles University, Prague, Czech Republic
6. Department of Chemical Education, Faculty of Science, Charles University, Prague, Czech Republic