Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0099-1767(14)00083-X
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25555691.ui
	subscription/membership/fee required	ClinicalKey Nursing	https://www.clinicalkey.com/nursing/content/playBy/pii?v=S0099-1767(14)00083-X