On 19th November our PhD students Veronika Pacutova and Viktoryia Karchynskaya met with Sofie Koch, who is PhD student in SDU and one of the authors of the article “Exploring implementation of a nationwide requirement to increase physical activity in the curriculum in Danish public schools: a mixed methods study” (https://doi.org/10.1186/s12889-021-12152-2). They discussed physical activity among Danish and Slovak adolescents.