Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29611401/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29611401
	free resource	Yonsei University College of Medicine	https://www.eymj.org/DOIx.php?id=10.3349/ymj.2018.59.3.389
	free resource	scite Smart Citations	https://scite.ai/reports/29611401