Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (03FH023PX4)
Article History
Received: 30 November 2018
Revised: 1 March 2019
Accepted: 28 March 2019
First Online: 3 April 2019
Change Date: 30 July 2019
Change Type: Correction
Change Details: The original version of the article unfortunately contained mistakes in author names. The authors’ given names and family names were transposed.