1. ENEA Department of Fusion and Nuclear Safety Technology, 40032 Camugnano, Italy
2. Department of Energy, Politecnico di Milano, 20156 Milano, Italy
3. Department of Astronautical, Electrical and Energy Engineering, Sapienza University of Rome, 00186 Rome, Italy
4. Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy