Frida K S Mathisen

Trends in Active Commuting to School among Czech Schoolchildren from 2006 to 2014.

D. Sigmundová, E. Sigmund, Z. Hamrik, 2017, Central European journal of public health.

12-Year Trends in Active School Transport across Four European Countries—Findings from the Health Behaviour in School-Aged Children (HBSC) Study

C. Roberts, D. Sigmundová, Z. Hamrik, 2021, International journal of environmental research and public health.

Leisure‐time physical activity and participation in organized sports: Changes from 1985 to 2014 in Finland and Norway

T. Torsheim, B. Wold, S. Kokko, 2019, Scandinavian Journal of Medicine & Science in Sports.