Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1019-6439&volume=6&issue=6&spage=1189&aulast=Ameglio
	subscription/membership/fee required	Spandidos Publications	https://www.spandidos-publications.com/ijo/6/6/1189