Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25208196/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25208196
	subscription/membership/fee required	Dartmouth Journal Services	https://www.jsad.com/doi/abs/10.15288/jsad.2014.75.781