Roder, Fabian
Strotmann, Johanna
Fox, Henrik
Bitter, Thomas
Horstkotte, Dieter
Oldenburg, Olaf
Article History
First Online: 14 April 2018
Compliance with Ethical Standards
:
: Fabian Roder, Johanna Strotmann, Henrik Fox, Thomas Bitter, Dieter Horstkotte, and Olaf Oldenburg declare no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.