Name	Info	Provider	Link
	free resource	MDPI	https://www.mdpi.com/resolver?pii=nu13020559
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33567733/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/17142
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33567733
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/175840
	free resource	scite Smart Citations	https://scite.ai/reports/33567733