Longitudinal Physical Activity, Body Composition, and Physical Fitness in Preschoolers.
Lepp?nen MH, Henriksson P, Delisle Nystr?m C, Henriksson H, Ortega FB, Pomeroy J, Ruiz JR, Cadenas-Sanchez C, L?f M. Longitudinal Physical Activity, Body Composition, and Physical Fitness in Preschoolers. Med Sci Sports Exerc. 2017 Oct; 49(10):2078-2085.