Funding for this research was provided by:
Open Access funding enabled and organized by Projekt DEAL.
Article History
Accepted: 27 January 2021
First Online: 26 February 2021
Compliance with ethical standards
:
: Rafael Wilms, Ralf Lanwehr and Andreas Kastenmüller declare that they have no conflict of interest.
: All procedures performed in studies involving human participants 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 study.