Eisenbarth, Markus http://orcid.org/0000-0002-8558-9111
Plum, Thorsten http://orcid.org/0000-0002-8644-490X
Andert, Jakob http://orcid.org/0000-0002-6754-1907
Funding for this research was provided by:
Europäischer Fonds für Regionale Entwicklung (EFRE) und das Land Nordrhein-Westfalen
Article History
Received: 2 June 2017
First Online: 16 January 2018