1. Institute of Plasma Physics and Laser Microfusion 1 , Warsaw, Poland
2. United Kingdom Atomic Energy Authority, Culham Campus 2 , Abingdon, Oxfordshire OX14 3DB, United Kingdom
3. Max-Planck-Institut für Plasmaphysik 3 , Garching, Germany
4. LPP-ERM/KMS 4 , Brussels, Belgium
5. Fusion and Nuclear Safety Department, ENEA 5 , Frascati, Italy