Berger-Groch, J. http://orcid.org/0000-0003-4952-8271
Thiesen, D. M.
Ntalos, D.
Hennes, F.
Hartel, M. J.
Article History
Received: 25 February 2019
Revised: 14 October 2019
Accepted: 8 January 2020
First Online: 18 January 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures involving human participants were in accordance with the ethical standards of the institutional and national research committees (Reference Number: WF-009/18) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.