Name	Info	Provider	Link
	subscription/membership/fee required	Cambridge University Press	https://www.cambridge.org/core/product/identifier/S0022149X16000377/type/journal_article
	free resource	scite Smart Citations	https://scite.ai/reports/27346628
SILVA LSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/lsu/pubid/27346628