Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28603233/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28603233
	free resource	InfezMed	https://www.infezmed.it/index.php/article?Anno=2017&numero=2&ArticoloDaVisualizzare=Vol_25_2_2017_142