Lohoefer, Fabian
Reeps, Christian
Lipp, Christina
Rudelius, Martina
Haertl, Felix
Matevossian, Edouard
Zernecke, Alma
Eckstein, Hans-Henning
Pelisek, Jaroslav
Article History
Received: 18 January 2013
Revised: 24 October 2013
Accepted: 26 December 2013
First Online: 16 May 2014
Competing interests
: The authors declare no conflict of interest.