Funding for this research was provided by:
Bundesministerium für Ernährung und Landwirtschaft (22019014, FKZ: 22014813)
Text and Data Mining valid from 2018-12-01
Article History
Received: 14 March 2018
Accepted: 6 November 2018
First Online: 1 December 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.