Name	Info	Provider	Link
	free resource	BioMed Central	https://systematicreviewsjournal.biomedcentral.com/articles/10.1186/s13643-016-0285-6
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27460473/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27460473
	free resource	scite Smart Citations	https://scite.ai/reports/27460473
Full text from	free resource	White Rose Research Online	https://eprints.whiterose.ac.uk/133959/