Dereń, K., Jarmakiewicz, S., Sokal, A., Łuszczki, E., Motyka, E., Wyszyńska, J., Kowal, R. and Mazur, A. 2018. Risk factors and the incidence of overweight and obesity in pre-school children from the southern part of Poland. European Journal of Clinical and Experimental Medicine. 16, 2 (Jun. 2018), 97–102. DOI:https://doi.org/10.15584/ejcem.2018.2.3.