Number of papers yielded from initial literature search
| Database | Number of papers yielded |
|---|---|
| Ebsco Group (AMED, CINAHL, MEDLINE, Nursing and Allied Health Collection and SPORTSDiscus) | 2004 |
| Cochrane Library | 85 |
| EMBASE | 23 |
| OVID EBOOKS | 1163 |
| PEDro | 10 |
| PubMed | 197 |
| Science Direct | 2272 |
| Web of Science | 88 |