Fig. 2From: Evaluations of the uptake and impact of the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) Statement and extensions: a scoping reviewCumulative number of citations of PRISMA extensions published before 2017. Data obtained from Scopus® on 31 July 2017. E&E explanation and elaboration, IPD individual participant data, NMA network meta-analysisBack to article page