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. 2013 Feb 19;8:23. doi: 10.1186/1748-5908-8-23

Figure 1.

Figure 1

General program theory underlying purveyor programs. A diagrammatic representation of the relationship between purveyor programs, the proposed intervention, and the expected impact of this intervention. Although the direct involvement of the purveyor is limited to the first two blocks with dotted outlines, it is assumed that the supportive services will result in higher levels of implementation fidelity that in turn will lead to the expected impact of the intervention.