Winter, Stefan
Fisel, Pascale
Büttner, Florian
Rausch, Steffen
D’Amico, Debora
Hennenlotter, Jörg
Kruck, Stephan
Nies, Anne T.
Stenzl, Arnulf
Junker, Kerstin
Scharpf, Marcus
Hofmann, Ute
van der Kuip, Heiko
Fend, Falko
Ott, German
Agaimy, Abbas
Hartmann, Arndt
Bedke, Jens
Schwab, Matthias
Schaeffeler, Elke
Article History
Received: 4 April 2016
Accepted: 24 June 2016
First Online: 20 July 2016
Competing interests
: The authors declare no competing financial interests.