Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29689175.ui
	free resource	scite Smart Citations	https://scite.ai/reports/29689175
	subscription/membership/fee required	Silverchair Information Systems	https://research.aota.org/ajot/article-lookup/doi/10.5014/ajot.2018.021238