How often individual reporting guidelines (RG) appeared in online instructions to peer reviewers (n = 19).

Abbreviations:
CONSORT – CONsolidated Standards Of Reporting Trials.
QUOROM – The QUality Of Reporting Of Meta-analyses of randomised trials.
PRISMA – Preferred Reporting Items for Systematic reviews and Meta-Analyses.
STARD – STAndards for Reporting of Diagnostic accuracy.
STROBE – STrengthening the Reporting of Observational studies in Epidemiology.
MOOSE – Meta-analysis Of Observational Studies in Epidemiology.
TREND – Transparent Reporting of Evaluations with Non-randomised Designs.
SQUIRE – Standards for Quality Improvement Reporting Excellence.
RATS – Qualitative research review (Relevance, Appropriateness, Transparency, Soundness).
COREQ – COnsolidated criteria for REporting Qualitative research.
QUALRES – QUAlitative RESearch.
EQUATOR – Enhancing the QUAlity and Transparency Of health Research.
RCT – randomized controlled trial.