Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://doi.org/10.33160/yam.2021.08.003
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34434065/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34434065
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0513-5710&volume=64&issue=3&spage=249