1. Japan Atomic Energy Agency, Collaborative Laboratories for Advanced Decommissioning Science, Oarai, Ibaraki, 311-1393, Japan
2. Karlsruhe Institute of Technology, Institute for Thermal Energy Technology and Safety, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
3. Tokyo Electric Power Company Holdings, Inc., 1-1-3 Uchisaiwaicho, Chiyoda, Tokyo, 100-8560, Japan