Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22221543.ui
	subscription/membership/fee required	Wiley	https://doi.org/10.1111/j.1365-2869.2011.00994.x