Correction: Correction for Prison cell spatial density and infectious and communicable diseases: a systematic review
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Simpson PL, Simpson M, Adily A, *et al*. Prison cell spatial density and infectious and communicable diseases: a systematic review. *BMJ Open* 2019;9:e026806. doi: 10.1136/bmjopen-2018-026806

This article was previously published with errors. The authors noticed below errors:

*   The acronym for the International Committee of the Red Cross presented in the last paragraph of the article (p. 8) should read ICRC and not ICPA.

*   The guidelines stated in the last paragraph of the article (p. 8) should read ICRC guidelines.

*   The initials of the reviewers who screened publications (p. 3) should read: PLS, AA and MS, TB.

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