Name	Info	Provider	Link
	free resource	BioMed Central	https://health-policy-systems.biomedcentral.com/articles/10.1186/s12961-018-0295-z
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29544496/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29544496
	free resource	scite Smart Citations	https://scite.ai/reports/29544496