Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23439569/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23439569
Full text from	free resource	Kyoto University Research Information Repository - Articles	http://hdl.handle.net/2433/174316
	free resource	scite Smart Citations	https://scite.ai/reports/23439569
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/nar/article-lookup/doi/10.1093/nar/gkt123