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PRISMA: Preferred Reporting Items for Systematic Reviews and Meta-analyses; SANRA: Scale for the Assessment of Non-systematic Review Articles.
| Quality appraisal tool | Type of studies |
| Cochrane Bias Tool assessment | Randomized control trials |
| Newcastle-Ottawa Tool | Non-RCT and observational studies |
| PRISMA checklist | Systematic reviews |
| SANRA checklist | Any other without a clear method section |
