Saatkamp, Karoline http://orcid.org/0000-0001-7803-6386
Breitenbücher, Uwe
Kopp, Oliver
Leymann, Frank
Funding for this research was provided by:
Bundesministerium für Wirtschaft und Energie (01MA17008G, 01MD16001F)
Article History
Received: 26 October 2017
Accepted: 22 April 2019
First Online: 27 April 2019