1. Tokamak Division, National Research Centre “Kurchatov Institute,” 123182 Moscow, Russia
2. Institute for Laser and Plasma Technologies, National Research Nuclear University “MEPhI,” 115409 Moscow, Russia
3. Fusion National Laboratory, CIEMAT, 28040 Madrid, Spain
4. Prokhorov General Physics Institute, Russian Academy of Science, 119991 Moscow, Russia
5. Institute of Plasma Physics, NSC KIPT, 310108 Kharkov, Ukraine
6. CCFE, Culham Science Centre, Oxfordshire OX14 3DB, United Kingdom
7. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6169, USA
8. Institute for Fusion Studies, University of Texas at Austin, Austin, Texas 78712-1203, USA
9. Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain