Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=38&issue=3&spage=253&aulast=Ioannidis
	free resource	scite Smart Citations	https://scite.ai/reports/29620583
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/PGP.0000000000000505