Hanitsch, Leif G.
Sotzny, Franziska
Volk, Hans-Dieter
Scheibenbogen, Carmen
Wittke, Kirsten
Article History
Received: 2 November 2017
Accepted: 10 January 2018
First Online: 20 January 2018
Compliance with Ethical Standards
: The study was approved by the local ethics committee and patients gave informed consent.
: The authors declare that they have no conflicts of interest.