Name	Info	Provider	Link
	free resource	HighWire	http://jech.bmj.com/lookup/pmidlookup?view=long&pmid=28689177
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28689177/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28689177
	free resource	scite Smart Citations	https://scite.ai/reports/28689177