Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.ojoonline.org/article.asp?issn=0974-620X;year=2015;volume=8;issue=1;spage=54;epage=55;aulast=Damodaran
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25709277.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25709277/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25709277