Felis, Thomas
Giry, Cyril
Scholz, Denis
Lohmann, Gerrit
Pfeiffer, Madlene
Pätzold, Jürgen
Kölling, Martin
Scheffers, Sander R.
Article History
Received: 7 July 2014
Accepted: 22 December 2014
First Online: 22 January 2015
Competing interests
: The authors declare no competing financial interests.