ERRATUM

In: Lipton R, Yang X, Braga AA, Goldstick J, Newton M, Rura M. The geography of violence, alcohol outlets, and drug arrests in Boston. Am J Public Health. 2013;103:657–664. doi:10.2105/AJPH.2012.300927.

A reference was incorrectly reported. Reference 13 should appear as:

13. Sampson RJ, Raudenbush, SW, Earls F. Neighborhood and violent crime: a multilevel study of collective efficacy. Science. 1997;277(53523):918–924.