TY - JOUR AU - Steene-Johannessen, Jostein AU - Ortega Porcel, Francisco Bartolomé AU - Ruiz Ruiz, Jonatan PY - 2020 UR - http://hdl.handle.net/10481/61135 AB - Background: Levels of physical activity and variation in physical activity and sedentary time by place and person in European children and adolescents are largely unknown. The objective of the study was to assess the variations in objectively... LA - eng PB - Springer Nature TI - Variations in accelerometry measured physical activity and sedentary time across Europe – harmonized analyses of 47,497 children and adolescents DO - 10.1186/s12966-020-00930-x ER -