Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21905893.ui
	free resource	scite Smart Citations	https://scite.ai/reports/21905893
	subscription/membership/fee required	Silverchair Information Systems	https://meridian.allenpress.com/joi/article-lookup/doi/10.1563/AAID-JOI-D-11-00012