Funding for this research was provided by:
Bayerisches Staatsministerium für Ernährung, Landwirtschaft und Forsten (KL/12/07, KL/08/07)
Text and Data Mining valid from 2019-05-04
Received: 1 March 2019
Accepted: 25 April 2019
First Online: 4 May 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects.