1. ENEA, Fusion and Nuclear Safety Department, Frascati, Italy
2. Institute for Plasma Science and Technology-CNR, Milan, Italy
3. National Institute for Nuclear Physics-INFN, Padua, Italy
4. Department of Mechanical Engineering, Politecnico di Milano, Milan, Italy
5. Department of Economy, Engineering, Society and Business Organization (DEIM), University of Tuscia, Viterbo, Italy
6. Department of Energy “Galileo Ferraris”, MAHTEP Group, Politecnico di Torino, Turin, Italy
7. National Institute for Nuclear Physics-INFN, LNS, Catania, Italy