Chunk #7 — Methods — Procedures

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Comparative efficacy and tolerability of medications for attention-deficit hyperactivity disorder in children, adolescents, and adults: a systematic review and network meta-analysis.

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Data were extracted by at least two independent investigators. We assessed risk of bias with the Cochrane risk of bias tool.32 We estimated the certainty of evidence with the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach for network meta-analyses (appendix pp 18, 19).33