Mirecka, Ewa A.
Feuerstein, Sophie
Gremer, Lothar
Schröder, Gunnar F.
Stoldt, Matthias
Willbold, Dieter
Hoyer, Wolfgang
Article History
Received: 7 July 2016
Accepted: 30 August 2016
First Online: 19 September 2016
Competing interests
: The authors declare no competing financial interests.