Quality of included reviews
The general quality of the systematic reviews included in the Overview should be summarized, including any variability across reviews and any important flaws in individual reviews. The criteria that were used to assess review quality should be described or referenced under 'Methods' and not here. If it is felt to be important to provide details on how each included review was rated against each criterion, this should be reported in an Additional table and not described in detail in the text.
The general quality of the evidence in the included reviews should be summarized, for example using GRADE for the most important outcomes (see also Chapter 13, Section 13.2).
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