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PRISMA 2009 flow diagram (2)

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Identification
PRISMA 2009 Flow Diagram
Records identified through
database searching
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Additional records identified
through other sources
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Included
Eligibility
Screening
Records after duplicates removed
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Records screened
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Records excluded
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Full-text articles assessed
for eligibility
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Full-text articles excluded,
with reasons
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Studies included in
qualitative synthesis
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Studies included in
quantitative synthesis
(meta-analysis)
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From: Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group (2009). Preferred Reporting Items for Systematic Reviews and MetaAnalyses: The PRISMA Statement. PLoS Med 6(7): e1000097. doi:10.1371/journal.pmed1000097
For more information, visit www.prisma-statement.org.
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