Eur. Phys. J. Special Topics 222, 2723-2725 (2013)
https://doi.org/10.1140/epjst/e2013-02053-4

Editorial

(University of Düsseldorf, coordinator of the SFB TR 6)  
(University of Utrecht)  
(Jülich research centre)  
(University of Konstanz)  
(University of Mainz)  

Received: 6 September 2013
Revised: 17 September 2013
Published online: 25 November 2013

This article has no abstract.