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| Type of study | Quality appraisal tool |
| Narrative reviews | Scale for the Assessment of Narrative Review Articles 2 (SANRA 2) |
| Observational studies | Newcastle-Ottawa Scale |
| Randomized controlled trials | Cochrane Collaboration Risk of Bias Tool |
| Systematic reviews and meta-analyses | Assessing the Methodological Quality of Systematic Reviews (AMSTAR 2) |
