Miedaner, Felix
Langhammer, Kristina
Enke, Christian
Göpel, Wolfgang
Kribs, Angela
Nitzsche, Anika
Riedel, Rainer
Woopen, Christiane
Kuntz, Ludwig
Roth, Bernhard
Article History
Received: 26 July 2017
Revised: 2 November 2017
Accepted: 16 November 2017
First Online: 25 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.