Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0140-6736(15)60692-4
Disabilities	free resource	MedlinePlus Health Information	https://medlineplus.gov/disabilities.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/26063472/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/26063472
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0140-6736(15)60692-4
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:26063472
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/26700