Public Open Spaces and Leisure-Time Walking in Brazilian Adults - Florindo, Alex Antonio; Barrozo, Ligia Vizeu; Cabral-Miranda, William; Rodrigues, Eduardo Quieroti; Turrell, Gavin; Goldbaum, Moisés; Cesar, Chester Luiz Galvão; Giles-Corti, Billie (International Journal of Environmental Research and Public Health, 2017)