Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0029-6554(15)00038-X
	subscription/membership/fee required	ClinicalKey Nursing	https://www.clinicalkey.com/nursing/content/playBy/pii?v=S0029-6554(15)00038-X