Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01KX2021)
Received: 21 June 2021
Accepted: 24 August 2021
First Online: 22 September 2021
: The study was approved by the local Research Ethics Committee of the University of Cologne (CoLive No. 19-1456-3; 27.04.2020). All participants provided electronic written informed consent before starting the online survey. Participants were fully informed about the study purpose and procedure.
: This paper presents pseudonymized data of the participants, hence consent to publish is not required.
: The authors declare that they have no competing interests.