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Error in the calculation of person-time in the before-PrEP period by Beymer et al

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  • Contributors SHH drafted the letter. EH and MFSvdL provided feedback and edited the letter. All authors agree with the final version of the letter.

  • Funding None declared.

  • Competing interests None declared.

  • Ethics approval Not required.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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