Stoffel, Wilhelm
Hammels, Ina
Jenke, Bitta
Binczek, Erika
Schmidt‐Soltau, Inga
Brodesser, Susanne
Schauss, Astrid
Etich, Julia
Heilig, Juliane
Zaucke, Frank
Article History
Received: 19 August 2016
Revised: 21 October 2016
Accepted: 24 October 2016
First Online: 24 November 2016
Competing interests
: The authors declare no conflict of interest.