Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29051405/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29051405
	free resource	M2PI	https://dx.doi.org/10.3352/jeehp.2017.14.23
	free resource	scite Smart Citations	https://scite.ai/reports/29051405