Schlumberger, Michael
Schuster, Philipp
Eichinger, Martin
Mayer, Philipp
Mayr, Raul
Immendörfer, Micha
Richter, Jörg
Article History
Received: 25 October 2019
Accepted: 24 February 2020
First Online: 10 March 2020
Compliance with ethical standards
:
: The authors declare they have no conflict of interest.
: The authors received no financial support for the research, authorship and/or publication of this article.
: 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.