Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2352-345X(21)00036-9
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33601062/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33601062
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S2352-345X(21)00036-9
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/179935
	free resource	scite Smart Citations	https://scite.ai/reports/33601062