authors
- Shudo, Yasuhiro
- Nishi, Hiroyuki
- Yoshikawa, Yasushi
- Shimizu, Tatsuya
- Okano, Teruo
- Matsuyama, Akifumi
- Sawa, Yoshiki
- Miyagawa, Shigeru
- Ohkura, Hanayuki
- Fukushima, Satsuki
- Saito, Atsuhiro
- Kawaguchi, Naomasa
- Matsuura, Nariaki
- Toda, Koichi
- Sakaguchi, Taichi