Funding for this research was provided by:
Universität Hohenheim
Article History
Received: 23 July 2019
Accepted: 22 December 2019
First Online: 16 January 2020
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 any of the authors.
: Informed consent was obtained from all individual participants included in the study.