Frank, Alexander H.
van Geldern, Robert
Myrttinen, Anssi
Zimmer, Martin
Barth, Johannes A. C.
Strauch, Bettina
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (03G0873B)
Projekt DEAL
Article History
Received: 31 August 2020
Accepted: 11 November 2020
First Online: 26 November 2020
Competing interests
: The authors declare no competing interests.