Scherer, Kai
Braig, Eva
Ehn, Sebastian
Schock, Jonathan
Wolf, Johannes
Birnbacher, Lorenz
Chabior, Michael
Herzen, Julia
Mayr, Doris
Grandl, Susanne
Sztrókay-Gaul, Anikó
Hellerhoff, Karin
Pfeiffer, Franz
Article History
Received: 25 April 2016
Accepted: 24 October 2016
First Online: 14 November 2016
Competing interests
: The authors declare no competing financial interests.