1. National Research Nuclear University (MEPhI), 115409, Moscow, Kashirskoe shosse 31, Russia
2. Fircroft Engineering, Lingley House, 120 Birchwood Point, Birchwood Boulevard, Warrington WA3 7QH, United Kingdom
3. ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St. Paul Lez Durance Cedex, France