Table 4.

General limitations of the scoping review

	Potential bias/issues
Review by one researcher	Reduced transparency and reproducibility
Only one reviewer extracting data	Increased risk of errors and missing key, relevant points
Considering only recent articles	Key articles and results could be excluded
Excluding non-English publications	Important studies/reviews in other languages may have been missed
Limited access to relevant databases	Key articles may not have been considered due to inaccessibility
Flexible review/study design	Reduced accuracy, validity and possible bias