Children's moderate-to-vigorous physical activity on weekdays versus weekend days: a multi-country analysis. - Brazendale, Keith; Beets, Michael W.; Armstrong, Bridget; Weaver, R. Glenn; Hunt, Ethan T.; Pate, Russell R.; Brusseau, Timothy A.; Bohnert, Amy M.; Olds, Timothy; Tassitano, Rafael M.; Tenorio, Maria Cecilia M.; Garcia, Jeanette; et al. (International Journal of Behavioral Nutrition & Physical Activity, 2021)