Sasaki, J. E., John, D., Hickey, A., Lyden, K., Hagobian, T., & Freedson, P. (2017). Feasibility of using a continuous direct observation technique for assessment of free-living physical activity in young adults. Arquivos De Ciências Do Esporte, 4(1). https://seer.uftm.edu.br/revistaeletronica/index.php/aces/article/view/1186