Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24349893/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24349893
	free resource	University Health Partners of Hawaii	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3848181/pdf/hjmph7208_0286.pdf