Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31754953/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/14731
	subscription/membership/fee required	Springer	https://doi.org/10.1007/s10029-019-02062-z
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31754953