Arend, Daniel http://orcid.org/0000-0002-2455-5938
Lange, Matthias http://orcid.org/0000-0002-4316-078X
Pape, Jean-Michel
Weigelt-Fischer, Kathleen
Arana-Ceballos, Fernando
Mücke, Ingo
Klukas, Christian
Altmann, Thomas
Scholz, Uwe http://orcid.org/0000-0001-6113-3518
Junker, Astrid http://orcid.org/0000-0002-4656-0308
Article History
Received: 17 February 2016
Accepted: 24 June 2016
First Online: 16 August 2016
Competing interests
: The authors declare no competing financial interests.