AUTHOR=Oginni John , Aoko Oluwayomi , Ajiborisade Ekundayo , Osuji Chukwuebuka , Okely Anthony D. , Chong Kar Hau , Cross Penny L. , Gao Zan TITLE=Geographic disparities in physical activity, sedentary behavior, sleep time, and gross motor skills in Nigerian preschoolers JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1506705 DOI=10.3389/fpubh.2025.1506705 ISSN=2296-2565