To assess the completeness of reporting and identified switched outcome(s), junior peer reviewers could use a simple online tool (COBPeer) based on the CONSORT (Consolidated Standards of Reporting Trials) 2010 checklist and Elaboration and Explanation publication for reporting parallel-group RCTs. The tool would feature bullet points eliciting the meaning of each checklist item. The aim of this study that will compare the accuracy of junior peer reviewers using the tool to that of usual peer reviewers when evaluating the completeness of reporting and switched of primary outcome(s) in reports of RCTs