Kühnen, Michael
Silva, Samanthi http://orcid.org/0000-0002-4691-4276
Beckmann, Janpeter
Eberle, Ulrike
Hahn, Rüdiger http://orcid.org/0000-0002-2897-980X
Hermann, Christoph
Schaltegger, Stefan http://orcid.org/0000-0001-7756-5526
Schmid, Marianne
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01UT1422C)
Article History
Received: 18 December 2017
Accepted: 22 January 2019
First Online: 1 February 2019
Conflict of interest
: M. Kühnen, S. Silva, J. Beckmann, U. Eberle, R. Hahn, C. Hermann, S. Schaltegger and M. Schmid declare that there is no conflict of interest.