Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcwomenshealth.biomedcentral.com/articles/10.1186/s12905-020-00936-4
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32293415/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/15376
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32293415
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/173109