Physical activity in relation to urban environments in 14 cities worldwide: a cross-sectional study - Sallis, James F; Cerin, Ester; Conway, Terry L; Adams, Marc A; Frank, Lawrence D; Pratt, Michael; Salvo, Deborah; Schipperijn, Jasper; Smith, Graham; Cain, Kelli L; Davey, Rachel; Kerr, Jacqueline; et al. (The Lancet (British edition), 2016)
Keywords: Adolescent; Adult; Aged; Cities - statistics & numerical data; City Planning; Cross-Sectional Studies; Environment Design; Exercise - physiology; Female; Humans; Internal Medicine; Male; Middle Aged; Monitoring, Ambulatory; Urban Health - statistics & numerical data; Walking - physiology; Young Adult