1. 1 Faculty of Health Sciences, Department of Social Sciences, Semmelweis University, Budapest, Hungary
2. 2 Hand-in-Scan Inc., Budapest, Hungary
3. 3 Department of Public Health, Government Office of the Capital City Budapest, Budapest, Hungary
4. 4 Faculty of Primary and Pre-School Education, Eötvös Lóránd University, Budapest, Hungary
5. 5 Tamási Áron Elementary School and Bilingual German National Secondary School, Budapest, Hungary
6. 6 Faculty of Health Sciences, Department of Clinical Studies, Semmelweis University, Budapest, Hungary
7. 7 Faculty of Medicine, Department of Genetics, Cell- and Immunobiology, Semmelweis University, EDU VITAL Foundation, Budapest, Hungary