Name	Info	Provider	Link
	free resource	BioMed Central	https://ctajournal.biomedcentral.com/articles/10.1186/s13601-015-0049-8
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25664168.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25664168/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25664168
	free resource	scite Smart Citations	https://scite.ai/reports/25664168