Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1751-4851(15)30667-X
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22697232.ui
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=&date=2012&volume=16&issue=3&spage=255
	subscription/membership/fee required	ClinicalKey Nursing	https://www.clinicalkey.com/nursing/content/playBy/pii?v=S1751-4851(15)30667-X