1. Figure 1.Flowchart of the article-selection process.
Search strategy and number of trials identified for inclusion in the literature review. The searches were performed between November 2001 and May The search strategy evolved in line with the changes in information technology and was designed with advice from information specialists. The databases searched in the study included Medical Literature Analysis and Retrieval System Online (MEDLINE), and the Elsevier database of abstracts and citations (SCOPUS).
Figure 1.Flowchart of the article-selection process.
Search strategy and number of trials identified for inclusion in the literature review. The searches were performed between November 2001 and May The search strategy evolved in line with the changes in information technology and was. . .