Author Contributions
A.V.-D., X.D., G.M.-A., E.M. and J.V.-G. participated in performing the statistical analysis and critically reviewed the manuscript. S.F.-H., M.K.-K. and J.V.-G. participated in the design and co-ordination of the study and critically reviewed the manuscript. A.L.M.-L. participated in the critical analysis of the results, writing, critical feedback, and reviewed the manuscript. J.V.-G. participated in the design and co-ordination of the study, as well as in the supervision of the field work. J.E.V.-G. participated in the implementation of the physical activity intervention with children and parents. All authors were involved in drafting the manuscript. All authors have read and agreed to the published version of the manuscript.