Name	Info	Provider	Link
	free resource	JMIR Publications	https://www.jmir.org/2019/7/e13719/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31278734/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31278734