Kälsch, Julia
Bechmann, Lars P.
Heider, Dominik
Best, Jan
Manka, Paul
Kälsch, Hagen
Sowa, Jan-Peter
Moebus, Susanne
Slomiany, Uta
Jöckel, Karl-Heinz
Erbel, Raimund
Gerken, Guido
Canbay, Ali
Article History
Received: 1 April 2015
Accepted: 6 July 2015
First Online: 13 August 2015
Competing interests
: The authors declare no competing financial interests.