Herrera-Monge, M.F., Álvarez Bogantes, C., Sánchez Ureña, B., Herrera-González, E., Villalobos Víquez, G. and Vargas Tenorio, J. 2019. Analysis of overweight and obesity, levels of physical activity and self-esteem in childhood of the II school cycle of the central canton of Heredia, Costa Rica. Población y Salud en Mesoamérica. 17, 1 (Jun. 2019). DOI:https://doi.org/10.15517/psm.v17i1.35323.