Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35295751/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/35295751
	free resource	BMJ Publishing Group	https://doi.org/10.1136/flgastro-2020-101755