• Records identified through
  bibliographic database searches
  n = 31,341Click to see details of bibliographic database searchingRecords identified through
  .. searching of other resources ..
  n = 417Click to see details of searches of other sources
  • Records after duplicates removed
    n = 19,874Click to see details of duplicate removalDuplicates
    n = 11,884Click to see details of duplicate removal
    • Records after title screening
      n = 8,511Click to see details of title screeningExcluded titles
      n = 11,363Click to see list of excluded titles
      • Records after abstract screening
        n = 3,417Click to see details of abstract screeningExcluded abstracts
        n = 5,094Click to see list of excluded abstracts
        • Records after full text retrieval
          n = 2,294Click to see details of full text retrievalInaccessible, n = 276
          Not found, n = 847Click to see list of non-retrievable full texts
          • Records after full text screening
            n = 1,202Click to see details of full text screeningExcluded full texts
            n = 1,092Click to see list of excluded full texts, with reasons
            • Articles / Studies included after full text screening
              n articles / n studies = 1,053 / 1,072Click to see list of included articles
              • Studies included in the systematic map
                database and narrative synthesis
                n = 1,072Click to see systematic map database