Name	Info	Provider	Link
	free resource	JMIR Publications	https://www.researchprotocols.org/2013/1/e21/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23796508/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23796508
	free resource	scite Smart Citations	https://scite.ai/reports/23796508