%0 Journal Article %T Sexually Transmitted Infections: Evidence for optimal HIV testing intervals in HIV-negative individuals from various risk groups: a systematic review protocol %A GP Traversy %A J Yau %A K Timmerman %A T Austin %J Archive of "Canada Communicable Disease Report". %D 2017 %X Authors¡¯ contributions: KT is the guarantor. GT drafted the protocol for the review, and all authors made substantial contributions to refine the research question/sub-questions, the study eligibility and exclusion criteria, the outcomes of interest, the screening, extraction and quality assessment processes, and the search strategy (with the help of a trained research librarian). GT, TA and JY will draft the manuscript. All authors will read, provide feedback and approve the final manuscript %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5757700/