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. 2018 Apr 17;8(4):e019908. doi: 10.1136/bmjopen-2017-019908

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PRISMA flow chart of the scoping review. Summary of evidence search and selection. Selection process for studies to be included in the scoping review in compliance with PRISMA standards. CINAHL, Cumulative Index of Nursing and Allied Health; ED, emergency department; PRISMA, Preferred Reporting Items for Systematic reviews and Meta-Analyses.