Name	Info	Provider	Link
	free resource	BioMed Central	https://health-policy-systems.biomedcentral.com/articles/10.1186/1478-4505-12-25
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24886489/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24886489
	free resource	scite Smart Citations	https://scite.ai/reports/24886489