Figure 1.

Flowcharts of published and grey literature screening and selection. A. Flowchart of the published literature screening and selection process. Application of search terms and inclusion/exclusion criteria as well as review worksheet analysis, resulted in 74 selected articles. B. Flowchart of the grey or unpublished literature/material screening and selection process. Application of specific search terms and inclusion/exclusion criteria, as well as review worksheet analysis, resulted in 193 items selected.

Kovacs Burns et al. BMC Health Services Research 2014 14:175   doi:10.1186/1472-6963-14-175
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