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Fig 1.

PRISMA flowchart of included studies.

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Table 1.

JBI critical appraisal scores [27].

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Fig 2.

Flowchart of meta-aggregation part 1.

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Fig 3.

Flowchart of meta-aggregation part 2.

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Fig 4.

Flowchart of meta-aggregation part 3.

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Fig 5.

Flowchart of meta-aggregation part 4.

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Table 2.

Summary of meta-aggregation findings.

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Table 3.

Descriptive details of included studies.

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Table 4.

Summary of individual study impact estimates.

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