1. Hitachi Engineering Company Ltd., Nuclear Power Plant Engineering Department 3-2-1 Saiwaicho, Hitachi, Ibaraki, Japan 317-0073
2. Hitachi Ltd., Hitachi Engineering and Product Division 3-1-1 Saiwaicho, Hitachi, Ibaraki, Japan 317-8511
3. Power and Industrial Systems Research and Development Laboratory 7-2-1 Ohmikacho, Hitachi, Ibaraki, Japan 319-1221
4. Nagoya University, Department of Nuclear Engineering Graduate School of Engineering, Furocho, Chikusa, Nagoya, Japan 464-0814