Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=36622731.ui
Full text from	free resource	Enlighten: Publications, University of Glasgow	https://eprints.gla.ac.uk/289440
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/evolut/article-lookup/doi/10.1093/evolut/qpac018