Funding for this research was provided by:
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (ALWOP.308)
DFG (KA 4967/1-1, JO 893/4-1)
Soehngen Institute for Anaerobic Microbiology (024002002)
Received: 30 March 2020
Accepted: 11 June 2020
First Online: 25 June 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors.