Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcfampract.biomedcentral.com/articles/10.1186/1471-2296-14-108
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23899116/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23899116
	free resource	scite Smart Citations	https://scite.ai/reports/23899116