Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2213-2600(19)30050-5
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S2213-2600(19)30050-5
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/69007