Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0163-4453(20)30173-0
Air Pollution	free resource	MedlinePlus Health Information	https://medlineplus.gov/airpollution.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32283151/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32283151
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0163-4453(20)30173-0