Funding for this research was provided by:
Bundesanstalt für Landwirtschaft und Ernährung (FKZ 2814705711)
Text and Data Mining valid from 2019-01-04
Received: 2 November 2018
Revised: 14 December 2018
Accepted: 16 December 2018
First Online: 4 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by either of the authors.