Karabatsiakis, A
Böck, C
Salinas-Manrique, J
Kolassa, S
Calzia, E
Dietrich, D E
Kolassa, I-T http://orcid.org/0000-0001-7847-1847
Article History
Received: 29 January 2014
Revised: 2 April 2014
Accepted: 22 April 2014
First Online: 10 June 2014
Competing interests
: The authors declare no conflict of interest.