Schneider, Daniel
Goppold, Kai
Kaemmerer, Peer W.
Schoen, Gerhard
Woehlke, Michael
Bschorer, Reinhard
Article History
Received: 29 September 2017
Accepted: 19 February 2018
First Online: 28 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Ethical approval was obtained from the regional ethics committee of the University Medical Centre in Rostock, Germany.
: All included patients signed an informed consent form before participating in this study.