Footnotes

• Handling editor Anna Maria Geretti

• Contributors All authors met all four ICMJE criteria for authorship. NN. was responsible for conception of the work, with input from SL and JP. NN, AM, and KM were responsible for undertaking clinical interviews and collecting data. YM, KH and JP were responsible for providing advice from the sexual health centre when needed. AM provided support for the cervical screening aspect of the study. NN and AM were responsible for analysis and interpretation of the data and drafting of the paper. All of the above were involved in subsequent revisions, and agree to be accountable for all aspects of the work.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

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