Szymczak, Sonja
Bott, Frederick
Babeck, Pierre
Frick, Annett
Stöckigt, Benjamin
Wagner, Kathrin
Funding for this research was provided by:
Bundesministerium für Verkehr und Digitale Infrastruktur
Article History
Received: 15 September 2021
Accepted: 28 January 2022
First Online: 11 February 2022
Declarations
:
: The authors have not disclosed any conflict of interest.