Relationships Between Outdoor Time, Physical Activity, Sedentary Time, and Body Mass Index in Children: A 12-Country Study.
R. Larouche, E. Mire, Kevin Belanger, T. Barreira, J. Chaput, M. Fogelholm, G. Hu, E. Lambert, C. Maher, J. Maia, T. Olds, V. Onywera, O. Sarmiento, M. Standage, C. Tudor-Locke, P. Katzmarzyk, M. Tremblay
Pediatric Exercise Science