Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/26594283/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/26594283
	free resource	scite Smart Citations	https://scite.ai/reports/26594283
	free resource	Emergency Medicine department, University of California Irvine	http://escholarship.org/uc/item/8p68w77q