Funding for this research was provided by:
Bundesministerium für Verkehr und Digitale Infrastruktur
Technische Universität Dortmund
Article History
Received: 14 July 2020
Accepted: 9 June 2021
First Online: 6 July 2021
Interessenkonflikt
: J. Schlüter, M. Hellmann und J. Weyer geben an, dass kein Interessenkonflikt besteht.The authors of this manuscript certify that they have NO affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript.