Name	Info	Provider	Link
Free full text from BORIS	free resource	Bern Open Repository and Information System	https://boris.unibe.ch/id/eprint/152269
	free resource	HighWire	http://erj.ersjournals.com/cgi/pmidlookup?view=long&pmid=33574078
	free resource	scite Smart Citations	https://scite.ai/reports/33574078