Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://doi.org/10.33160/yam.2021.02.005
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33642901/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33642901
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0513-5710&volume=64&issue=1&spage=30
	free resource	scite Smart Citations	https://scite.ai/reports/33642901