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. 2016 Nov 29;11(11):e0167289. doi: 10.1371/journal.pone.0167289

Fig 2. PRISMA flowchart depicting the systematic selection and exclusion of articles related to the topic.

Fig 2

A detailed description of the excluded articles with the respective reasons for exclusion is presented in the running text and S4 Table. From: Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group (2009). Preferred Reporting Iterns for Systematic Reviews and Meta-Analyses: The PRISMA Statement. PLoS Med 6(7): e1000097. doi: 10.1371/journal.pmed1000097 For more information, visit www.prisma-statement.org.