Name	Info	Provider	Link
Free full text from BORIS	free resource	Bern Open Repository and Information System	https://boris.unibe.ch/id/eprint/159337
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34165694/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/18038
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s40120-021-00262-3
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34165694