1. Research Reactor Institute, Kyoto University, Sennan, Osaka, Japan
2. Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
3. Nuclear Power Safety Division, Fukushima Prefectural Government, Fukushima, Fukushima, Japan
4. Nuclear Damage Compensation and Decommissioning Facilitation Corporation, Tokyo, Japan