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Population, Intervention, Comparison, Outcomes and Study (PICOS) design as a framework to formulate eligibility criteria in systematic reviews

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  • Collaborators Mehrdad Amir-Behghadami; Ali Janti (or M Amir-Behghadami; A Janati)

  • Contributors MA-B and AJ conceptualised and designed the study. MA-B and AJ contributed to the writing of the first draft of the manuscript, reviewed the revisions and approved the final manuscript as submitted.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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