Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24570822/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24570822
	free resource	M2PI	http://jkns.or.kr/journal/view.php?doi=10.3340/jkns.2014.55.1.57
	free resource	scite Smart Citations	https://scite.ai/reports/24570822