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Number of search hits per database.
| Database | Number of search hits |
|---|---|
| ProQuest Dissertations & Theses Global | 345 |
| SCOPUS | 180 |
| Unspecified | 106 |
| Web of Science | 105 |
| MEDLINE Complete via EBSCOHost | 104 |
| ERIC via EBSCOHost | 90 |
| Cochrane Library | 41 |
| CINAHL Complete via EBSCOHost | 11 |
| JBI Evidence Synthesis | 6 |
| Total number of search hits: | 988 |
