1. Japan Atomic Energy Research Institute, 801-1 Naka-machi, Naka-gun, Ibaraki-ken, 311-0193 Japan, (0)29-270-7551 suzukisa@naka.jaeri.go.jp
2. Osaka University, 2-1 Yamadaoka, Suita-shi, Osaka-fu, 565-0871 Japan (0)6-6879-7236 yueda@eie.eng.osaka-u.ac.jp
3. Kyushu University, 6-1 Kasuga-koen, Kasuga-shi, Fukuoka-ken, 816-8580 Japan, (0)92-583-7986 tokunaga@riam.kyushu-u.ac.jp
4. Japan Atomic Energy Research Institute, 801-1 Naka-machi, Naka-gun, Ibaraki-ken, 311-0193 Japan, (0)29-270-7488 satohka@naka.jaeri.go.jp
5. Japan Atomic Energy Research Institute, 801-1 Naka-machi, Naka-gun, Ibaraki-ken, 311-0193 Japan, (0)29-270-7581 akiba@naka.jaeri.go.jp