Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01IS12056)
Deutscher Akademischer Austauschdienst (FITweltweit)
Science Foundation Ireland (13/RC/2106)
Article History
Received: 16 March 2018
Revised: 15 February 2019
Accepted: 7 May 2019
First Online: 27 May 2019