1. Max-Planck-Institut für Plasmaphysik (IPP), Boltzmannstr. 2, 85748 Garching, Germany
2. INFN-LNL, Viale dell’Università 2, 35020 Legnaro, Italy
3. Consorzio RFX, Corso Stati Uniti 4, 35127 Padova, Italy
4. ITER Organization, Route de Vinon sur Verdon, CS 90 046, 13067 St. Paul-lez-Durance, France