Poeter, Michaela
Brandherm, Ines
Rossaint, Jan
Rosso, Gonzalo
Shahin, Victor
Skryabin, Boris V.
Zarbock, Alexander
Gerke, Volker
Rescher, Ursula
Article History
Received: 19 February 2014
Accepted: 27 March 2014
First Online: 28 April 2014
Competing interests
: The authors declare no competing financial interests.