Physical activity in relation to urban environments in 14 cities worldwide: a cross-sectional study
James Sallis, Ester Cerin, Terry L. Conway, Marc A. Adams, Lawrence D. Frank, Michael Pratt, Deborah Salvo, Jasper Schipperijn, Graham Smith, Kelli L. Cain, Rachel Davey, Jacqueline Kerr, PC Lai, Josef Mitáš, Rodrigo Siqueira Reis, Olga L. Sarmiento, Grant Schofield, Jens Troelsen, Delfien Van Dyck, Ilse De Bourdeaudhuij, Neville Owen (2016). Physical activity in relation to urban environments in 14 cities worldwide: a cross-sectional study. The Lancet, 387(10034), pp. 2207-2217, DOI: 10.1016/s0140-6736(15)01284-2.
