Funding for this research was provided by:
Ministerium für Verkehr NRW (2020 18 111)
Universität Duisburg-Essen
Article History
Received: 23 February 2023
Accepted: 12 July 2023
First Online: 18 August 2023
Declarations
:
: The authors ensure that, although they could have also been the subject of the study, they conducted the data analysis without interference and possible bias.