Name	Info	Provider	Link
	free resource	JMIR Publications	https://www.jmir.org/2013/8/e176/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23945468/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23945468
	free resource	scite Smart Citations	https://scite.ai/reports/23945468