Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://dx.doi.org/10.2176/nmc.oa.2020-0278
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33390557/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33390557
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0470-8105&volume=61&issue=2&spage=117
	free resource	scite Smart Citations	https://scite.ai/reports/33390557