Name	Info	Provider	Link
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/nature25458
See the articles recommended by the Faculty of more than 8,000 leading experts in Biology and Medicine.	subscription/membership/fee required	H1 Connect	https://facultyopinions.com/pubmed/29364872
	free resource	scite Smart Citations	https://scite.ai/reports/29364872
SILVA SSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/ssu/pubid/29364872