Name	Info	Provider	Link
	free resource	MDPI	https://www.mdpi.com/resolver?pii=cancers13163950
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34439107/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/18415
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34439107