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. 2023 Jun 12;39(1):250–259. doi: 10.1007/s12028-023-01766-6

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Fig. 5 — Traffic-light-plot depicting the quality assessment of the prospective randomized trial using the risk of bias tool for randomized trials (a), the prospective cohort study using the Risk of Bias in Nonrandomized Studies—of Interventions (ROBINS-1) (b), and the retrospective cohort studies using the Newcastle–Ottawa Scale (NOS) (c)