Oreskovic NM, Blossom J, Field AE, Chiang SR, Winickoff JP, Kleinman RE. Combining global positioning system and accelerometer data to determine the locations of physical activity in children. Geospat Health [Internet]. 2012 May 1 [cited 2024 Nov. 22];6(2):263-72. Available from: https://www.geospatialhealth.net/gh/article/view/144