Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1791-2997&volume=5&issue=4&spage=964&aulast=Chen
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22294278/
	subscription/membership/fee required	Spandidos Publications	https://www.spandidos-publications.com/mmr/5/4/964
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22294278