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. 2016 Aug 3;6(8):e011841. doi: 10.1136/bmjopen-2016-011841

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Principles of live cumulative network meta-analysis. Live cumulative network meta-analysis is initiated with an initial network meta-analysis, then six methodological steps are repeated every 4 months. Step 1 is detailed in figure 2. Steps 3–6 are not required if no new trial is available.