Petrat, Torsten http://orcid.org/0000-0003-0084-1419
Winterkorn, René
Graf, Benjamin
Gumenyuk, Andrey
Rethmeier, Michael
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (03WKP51B2)
Article History
Received: 2 August 2017
Accepted: 8 May 2018
First Online: 25 May 2018