Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=75&issue=6&spage=e116&aulast=Bashir
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=35929991.ui
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/doi/10.1097/MPG.0000000000003584
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/MPG.0000000000003584