1. Institute of Plasma Physics and Laser Microfusion, Warsaw, Poland
2. P.N. Lebedev Physical Institute of RAS, Moscow, Russia
3. National Research Nuclear University (Moscow Eng. Phys. Institute), Russia
4. Institute of Plasma Physics ASCR, Prague, Czech Republic
5. Institute of Physics ASCR, Prague, Czech Republic
6. Czech Technical University in Prague, FNSPE, Prague, Czech Republic
7. Warsaw University of Technology, ICS, Warsaw, Poland