Kambas, A., Venetsanou, F., Avloniti, A., Giannakidou, D. M., Gourgoulis, V., Draganidis, D., Chatzinikolaou, A., et al. (2014). Pedometer determined physical activity and obesity prevalence of Greek children aged 4-6 years. Annals of human biology, 1-6. Informa UK Ltd. London.