title: Why are some neighborhoods active and others not? Charting a new course for research on the policy and environmental determinants of physical activity.
authors.affiliation: Robert Wood Johnson Foundation, Princeton, NJ 08543, USA. cto@rwjf.org
authors.forename: C Tracy
authors.initials: CT
authors.lastname: Orleans
authors.forename: M Katherine
authors.initials: MK
authors.lastname: Kraft
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Marx
authors.forename: J Michael
authors.initials: JM
authors.lastname: McGinnis
mesh_terms: D004463:Ecology; D004777:Environment; D015444:Exercise; D015438:Health Behavior; D006293:Health Promotion / Q000639:trends*; D006801:Humans; D007899:Leisure Activities; D008962:Models, Theoretical; D009043:Motor Activity; D009765:Obesity / Q000517:prevention & control; D011640:Public Policy; D012107:Research Design / Q000639:trends*; D012111:Residence Characteristics; D014481:United States; D016138:Walking