Hoffmann, M. F.
Yilmaz, E.
Norvel, D. C.
Schildhauer, T. A.
Funding for this research was provided by:
Projekt DEAL
Article History
Received: 3 November 2020
Accepted: 26 January 2021
First Online: 16 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.
: All investigations were conducted in conformity with ethical principles of research, and that informed consent for participation in the study was obtained. The Ethics Committee of the Ruhr-University Bochum approved the study protocol. The committee’s reference number was 16-5711.