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.
Obes Facts. 2021;14(1):32-44. doi: 10.1159/000511263. Epub 2020 Dec 22.
Obes Facts. 2021.
PMID: 33352575
Free PMC article.