title: Debate on the paper by Diez Roux.
authors.affiliation: Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil.
authors.forename: Paulo
authors.initials: P
authors.lastname: Saldiva
authors.affiliation: Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil, nilmaraoalves@gmail.com.
authors.forename: Nilmara de Oliveira
authors.initials: Nde O
authors.lastname: Alves
authors.affiliation: Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil.
authors.forename: Mariana
authors.initials: M
authors.lastname: Veras
mesh_terms: D002947:Cities; D006801:Humans; D014504:Urban Health