Funding for this research was provided by:
Helmholtz-Gemeinschaft (Infection and Immunity)
Health Science Center, University of Tennessee (start-up grant)
Received: 25 November 2019
Accepted: 8 April 2020
First Online: 22 April 2020
: All experiments in mice were approved by an external committee according to the national guidelines of the animal welfare law in Germany (BGBl. I S. 1206, 1313 and BGBl. I S. 1934). The protocol used in these experiments has been reviewed by an ethics committee and approved by the relevant authority, the ‘Niedersächsisches Landesamt für Verbraucherschutz und Lebensmittelsicherheit, Oldenburg, Germany’ (Permit Numbers: 33.9242502–04-13/1234, 33.9.42502–04-051/09; 33.19–42,502–04-18/2922).
: Not applicable.
: The authors declare that they have no competing interests.