Udelnow, Andrej
Hawemann, Maria
Buschmann, Ivo
Meyer, Frank
Halloul, Zuhir
Funding for this research was provided by:
Projekt DEAL
Article History
Received: 3 June 2020
Accepted: 16 January 2021
First Online: 11 March 2021
Conflict of interest
: A. Udelnow, M. Hawemann, I. Buschmann, F. Meyer and Z. Halloul declare that they have no competing interests.