1. Chimie des Interaction Plasma Surface, University of Mons, Place du Parc 23, 7000 Mons, Belgium
2. SOLARIS National Synchrotron Radiation Centre, Jagiellonian University, Czerwone Maki 98, 31-007 Krakow, Poland
3. Materia Nova, Nicolas Copernic 3, 7000 Mons, Belgium