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Year, country, research type, and NHMRC level of evidence
| Study | Year | Country | Study designs | Level of evidence |
|---|---|---|---|---|
| Li et al12 | 2010 | Canada and Netherlands | Cross-sectional | III_2 |
| Lineker et al13 | 2011 | Canada | Retrospective audit | III_2 |
| Lundon et al14 | 2011 | Canada | Pre-post | IV |
| MacKay et al15 | 2008 | Canada | Qualitative | NA |
Abbreviation: NHMRC, National Health and Medical Research Council.
