Name	Info	Provider	Link
	free resource	BioMed Central	https://ccforum.biomedcentral.com/articles/10.1186/cc12813
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23844754/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23844754
Full text from University of California eScholarship	free resource	eScholarship, California Digital Library, University of California	https://escholarship.org/uc/item/17p7s1jd
	free resource	scite Smart Citations	https://scite.ai/reports/23844754