Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30775319/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30775319
	free resource	Universidade de Sao Paulo, Hospital Universitario	https://doi.org/10.4322/acr.2018.041