Ruther, Joachim
Hagström, Åsa K.
Brandstetter, Birgit
Hofferberth, John
Bruckmann, Astrid
Semmelmann, Florian
Fink, Michaela
Lowack, Helena
Laberer, Sabine
Niehuis, Oliver
Deutzmann, Rainer
Löfstedt, Christer
Sterner, Reinhard
Article History
Received: 10 June 2016
Accepted: 19 September 2016
First Online: 5 October 2016
Competing interests
: The authors declare no competing financial interests.