Jung, Benjamin
Ludewig, Frank
Schulz, Alexander
Meißner, Garvin
Wöstefeld, Nicole
Flügge, Ulf-Ingo
Pommerrenig, Benjamin
Wirsching, Petra
Sauer, Norbert
Koch, Wolfgang
Sommer, Frederik
Mühlhaus, Timo
Schroda, Michael
Cuin, Tracey Ann
Graus, Dorothea
Marten, Irene
Hedrich, Rainer
Neuhaus, H. Ekkehard
Article History
Received: 26 June 2014
Accepted: 24 September 2014
First Online: 8 January 2015
Competing interests
: The authors declare no competing financial interests.