<p>Summary of search and selection process based on included and excluded studies.</p
<p>Flow chart of study selection based on the inclusion and exclusion criteria.</p
<p>Search strategy and flow chart of screened, excluded, and eventually analyzed articles.</p
<p>Flowchart of the Selection Process for Studies Included in the Systematic Review.</p
<p>Summary of search strategy and selection process based on included and excluded studies.</p
<p>Summary of the search strategy and selection process based on included and excluded studies.</p
Summary of inclusion and exclusion criteria applied during evaluation of studies for systematic revi...
<p>Summary of search and selection process consists of the number of studies initially identified th...
Summary of the publications retrieved during database search, and the inclusion/exclusion decisions....
Summary showing characteristics of all eligible studies included in this review (N = 144).</p
Presents the procedure followed for identifying and selecting studies included in the review.</p
<p>Inclusion and exclusion criteria for assessing the studies returned by the searches.</p
<p>An illustrative summary of the inclusion and exclusion criteria of which we used to define the st...
<p>Flow chart of study study selection based on the inclusion and exclusion criteria.</p
<p>Fig 1 shows the studies identified and reasons for inclusion or exclusion.</p
<p>Flow diagram of study selection process from initial search to included studies.</p
<p>Flow chart of study selection based on the inclusion and exclusion criteria.</p
<p>Search strategy and flow chart of screened, excluded, and eventually analyzed articles.</p
<p>Flowchart of the Selection Process for Studies Included in the Systematic Review.</p
<p>Summary of search strategy and selection process based on included and excluded studies.</p
<p>Summary of the search strategy and selection process based on included and excluded studies.</p
Summary of inclusion and exclusion criteria applied during evaluation of studies for systematic revi...
<p>Summary of search and selection process consists of the number of studies initially identified th...
Summary of the publications retrieved during database search, and the inclusion/exclusion decisions....
Summary showing characteristics of all eligible studies included in this review (N = 144).</p
Presents the procedure followed for identifying and selecting studies included in the review.</p
<p>Inclusion and exclusion criteria for assessing the studies returned by the searches.</p
<p>An illustrative summary of the inclusion and exclusion criteria of which we used to define the st...
<p>Flow chart of study study selection based on the inclusion and exclusion criteria.</p
<p>Fig 1 shows the studies identified and reasons for inclusion or exclusion.</p
<p>Flow diagram of study selection process from initial search to included studies.</p
<p>Flow chart of study selection based on the inclusion and exclusion criteria.</p
<p>Search strategy and flow chart of screened, excluded, and eventually analyzed articles.</p
<p>Flowchart of the Selection Process for Studies Included in the Systematic Review.</p