title: Erratum to: Neighborhood Socioeconomic Status and Primary Health Care: Usual Points of Access and Temporal Trends in a Major US Urban Area.
authors.affiliation: Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA. husseimh@uwm.edu.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Hussein
authors.affiliation: Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA.
authors.forename: Ana V
authors.initials: AV
authors.lastname: Diez Roux
authors.affiliation: Dornsife School of Public Health, Drexel University, Philadelphia, PA, USA.
authors.forename: Robert I
authors.initials: RI
authors.lastname: Field