a cross-sectional study

Ferguson T, Rowlands AV, Olds T, Maher C (2015) The validity of consumer-level, activity monitors in healthy adults worn in free-living conditions: a cross-sectional study. Int J Behav Nutr Phys Act 12(1):42.  https://doi.org/10.1186/s12966-015-0201-9

2015