Funding for this research was provided by:
Bundesanstalt für Landwirtschaft und Ernährung (2810HS022, 2819104115, 2819104615, 2818SE001)
Robert Koch Institut (1362/1-982)
Article History
Received: 12 May 2020
Accepted: 15 June 2020
First Online: 16 July 2020