Schuster, Philipp
Schlumberger, Michael
Mayer, Philipp
Eichinger, Martin
Geßlein, Markus
Reddemann, Friederike
Richter, Jörg
Article History
Received: 8 July 2019
Accepted: 23 January 2020
First Online: 7 February 2020
Compliance with ethical standards
:
: The authors declare 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. The study was approved by the competent ethical committee.
: No patients were contacted for this study.