Correction: Prevalence of sexually transmitted infections and bacterial vaginosis among women in sub-Saharan Africa: An individual participant data meta-analysis of 18 HIV prevention studies. - Torrone EA; Morrison CS; Chen PL; Kwok C; Francis SC; Hayes RJ; Looker KJ; McCormack S; McGrath N; van de Wijgert JHHM; Watson-Jones D; Low N; et al. (PLoS medicine, 2018)