Ullrich, Tim Leon
Czernik, Christoph
Bührer, Christoph
Schmalisch, Gerd
Fischer, Hendrik Stefan https://orcid.org/0000-0002-5354-3928
Article History
Received: 27 January 2017
Revised: 5 April 2017
Accepted: 12 April 2017
First Online: 9 March 2018
Compliance with ethical standards
:
: This manuscript does not contain clinical studies or patient data. The ethical approval is not needed.
: The authors declare no conflict of interest.