Funding for this research was provided by:
German Federation of Industrial Research Associations (ZF4315807RH7)
Article History
Received: 20 January 2020
Accepted: 22 June 2020
First Online: 3 July 2020
Compliance with ethical standards
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.