Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25520797/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25520797
	free resource	International Society of Global Health	https://doi.org/10.7189/jogh.04.020407
	free resource	scite Smart Citations	https://scite.ai/reports/25520797