1. Forschungszentrum Karlsruhe, P.O. Box 3640, D-76021 Karlsruhe, Germany, juergen.konys@imf.fzk.de
2. ENEA Fusion Division, CR Brasimone, 40032 Camugnano, Bologna, Italy, antonio.aiello@brasimone.enea.it, gianluca.benamati@brasimone.enea.it
3. CEA, CEN Saclay, DEN/CPT, 91191 Gif-sur-Yvette, France, luciano.giancarli@cea.fr