Forster, Michael
Szymczak, Silke
Ellinghaus, David
Hemmrich, Georg
Rühlemann, Malte
Kraemer, Lars
Mucha, Sören
Wienbrandt, Lars
Stanulla, Martin
Franke, Andre
,
Article History
Received: 10 November 2014
Accepted: 7 May 2015
First Online: 13 July 2015
Competing interests
: The authors declare no competing financial interests.