title: Life stage and sex specificity in relationships between the built and socioeconomic environments and physical activity.
authors.affiliation: Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
authors.forename: Janne
authors.initials: J
authors.lastname: Boone-Heinonen
authors.forename: Penny
authors.initials: P
authors.lastname: Gordon-Larsen