Falter, Christian
Zwikowics, Claudia
Eggert, Dennis
Blümke, Antje
Naumann, Marcel
Wolff, Kerstin
Ellinger, Dorothea
Reimer, Rudolph
Voigt, Christian A.
Article History
Received: 27 March 2015
Accepted: 27 July 2015
First Online: 1 September 2015
Competing interests
: The authors declare no competing financial interests.