Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28345843/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28345843
	free resource	Asian Pacific Organization for Cancer Prevention	http://journal.waocp.org/?sid=Entrez:PubMed&id=pmid:28345843&key=2017.18.2.541