Abstract Purpose of Review We provided an overview of sampling methods for hard-to-
reach populations and guidance on implementing one of the most popular approaches …

BACKGROUND Recurrent pregnancy loss (RPL) occurs in 1–3% of all couples trying to
conceive. No consensus exists regarding when to perform testing for risk factors in couples …

HIV prevalence among men who have sex with men in Brazil: re... : Medicine HIV prevalence
among men who have sex with men in Brazil: results of the 2nd national survey using …

Background It is unclear whether weighted or unweighted regression is preferred in the
analysis of data derived from respondent driven sampling. Our objective was to evaluate the …

Background HIV disproportionately affects gay, bisexual, and other men who have sex with
men (MSM) in Africa, where many countries criminalise same-sex behaviour. We assessed …

Background: In Canada, gay, bisexual and other men who have sex with men (GBM) are
disproportionately affected by HIV. Our objective was to describe access to HIV pre …

Background The worldwide response towards the acute gastroenteritis epidemic was well
known, but the absence of an updated systematic review of global norovirus epidemiology in …

Periodontitis and atherosclerosis are highly prevalent chronic inflammatory diseases, and it
has been suggested that periodontitis is an independent risk factor of cardiovascular …

Machine learning (ML) methods are proliferating in scientific research. However, the
adoption of these methods has been accompanied by failures of validity, reproducibility, and …

Objective: To perform a systematic review and pooled meta-analysis of published studies to
assess whether the presence of leukoaraiosis on neuroimaging before treatment with …