Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1792-1074&volume=7&issue=3&spage=713&aulast=Xiao
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24527077/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24527077
	free resource	scite Smart Citations	https://scite.ai/reports/24527077