Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=2049-9450&volume=2&issue=2&spage=275&aulast=Liu
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24649346/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24649346
	free resource	scite Smart Citations	https://scite.ai/reports/24649346