Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0140-6736(13)61757-2
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0140-6736(13)61757-2
Full text from	free resource	CORE	https://core.ac.uk/reader/42016901?utm_source=linkout
	free resource	scite Smart Citations	https://scite.ai/reports/24011545