Völlner, Florian http://orcid.org/0000-0003-1933-541X
Fischer, Johannes
Weber, Markus
Greimel, Felix
Benditz, Achim
Renkawitz, Tobias
Grifka, Joachim
Craiovan, Benjamin
Article History
Received: 29 August 2018
First Online: 8 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: According to the local ethical committee, no approval was necessary.
: For this type of study, formal consent is not required.