Kock, Malte
Nunes, Maria M.
Hemann, Matthias
Kube, Sebastian
Jürgen Dohmen, R.
Herzog, Franz
Ramos, Paula C.
Wendler, Petra
Article History
Received: 3 June 2014
Accepted: 15 December 2014
First Online: 22 January 2015
Competing interests
: The authors declare no competing financial interests.