[1] Consorzio CREATE, Via Claudio 21, I-80125 Naples, Italy
[2] EUROfusion, Power Plant Phys & Technol, Garching, Germany
[3] Univ Naples Federico II, DIETI, Via Claudio 21, I-80125 Naples, Italy
[4] Univ Trieste, Dept Engn & Architecture, Via Alfonso Valerio 6-1, I-34127 Trieste, Italy
[5] ENEA, Dept Fus & Technol Nucl Safety & Secur, Via E Fermi 45, I-00044 Frascati, Italy
[6] Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany