Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://doi.org/10.1298/ptr.E10004
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32850282/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32850282
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?essn=2189-8448&volume=23&issue=1&spage=72