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.