Funding for this research was provided by:
Projekt DEAL
Article History
Received: 17 September 2020
Accepted: 11 January 2021
First Online: 1 February 2021
Compliance with ethical standards
:
: Author J.P. declares that she has no conflict of interest. Author C.A. declares that she has no conflict of interest. Author C.B. declares that he has no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the present study.