Table S2 displays the results of the study appraisal [see Additional file 2].
Figure S2 of the online supplemental materials displays the number of BCTs against the study appraisal rating.
Even though the study appraisal was based on the consensus of two independent reviewers, it is nonetheless restricted by those reviewers' subjectivity.
In this study, investment appraisal techniques and risk analysis methods are evaluated and a new simulation-based computer program developed for helping investment appraisal applications for natural building stone deposits is introduced.
In this study each appraisal was taken to represent a single event irrespective of the number of recommendations it contained.
In this study, community appraisal of the individual affected retention, whereas in our prior study, it was community approval of the CHW role that affected retention.
Each review was critically appraised by two authors using a study appraisal tool and were given a quality assessment rating of weak, moderate or strong.
Study appraisal was conducted using a checklist of selection criteria.
All selected studies underwent a preset study appraisal.
Study appraisal and synthesis methods: A total of 1421 publications were found by the electronic search.
