Schwenk, Jochen
Pérez-Garci, Enrique
Schneider, Andy
Kollewe, Astrid
Gauthier-Kemper, Anne
Fritzius, Thorsten
Raveh, Adi
Dinamarca, Margarita C
Hanuschkin, Alexander
Bildl, Wolfgang
Klingauf, Jürgen
Gassmann, Martin http://orcid.org/0000-0001-6201-3032
Schulte, Uwe
Bettler, Bernhard
Fakler, Bernd
Article History
Received: 12 August 2015
Accepted: 16 November 2015
First Online: 21 December 2015
Competing interests
: The authors declare no competing financial interests.