@ARTICLE{
author={Whiting Stephen,...,Ostojic Sergej M,...,(broj koautora 58)},
year={2021},
title={Physical Activity, Screen Time, and Sleep Duration of Children Aged 6-9 Years in 25 Countries: An Analysis within the WHO European Childhood Obesity Surveillance Initiative (COSI) 2015-2017},
journal={OBESITY FACTS},
volume={14},
number={1},
pages={32-44},
document_type={Article},
}