Shigeaki MORITA, Ai YATSUHASHI and Kuniyuki KITAGAWA 275

Jun KOBAYASHI, Keiichi IKEDA, Hiroshi TERADA, Mariko MOCHIZUKI and Hideo SUGIYAMA 281

Nobuhide FUJITAKE, Daichi ASAKAWA and Yukiko YANAGI 287

Takaaki NOGUCHI, Makoto KIMURA, Tomoki NAKAMURA, Tomio KITAJIMA, Akira TSUCHIYAMA, Masanao ABE, Akio FUJIMURA, Toshifumi MUKAI, Tatsuaki OKADA, Munetaka UENO, Toru YADA, Yukihiro ISHIBASHI, Kei SHIRAI and Ryuji OKAZAKI 299

Hiroaki MINAMISAWA, Taisuke TAKUBO, Hiromichi ASAMOTO, Mayumi MINAMISAWA, Kazunori SAITOH, Tatsuro NAKAGAMA and Masami SHIBUKAWA 311

Etsu YAMADA, Shigekazu UMEMURA and Yasuro FUSE 319

Tomonori SAKAMOTO, Kouichi AKAKI, Takahiro WATANABE, Rieko MATSUDA and Hiroshi HIWAKI 327

Toshifumi KATOH, Yoshinori INOUE, Waka KAMICHATANI, Mitsuru SAITO, Shigehiro KAGAYA and Atsushi YAMAMOTO 335

Mitsuko TAKAHASHI, Katsumi SAKURAI and Koichi SAITO 341

Teruki MATSUMOTO, Haruna SUZUKI, Jun TAKEBAYASHI, Taro MURAKAMI, Kota FUKUSHIMA, Tayoshi IIZUKA, Mikihiko YOSHIDA, Yasuhiro NAGAO, Rui TAKEMURA, Rie SAITO and Yoshiko ISHIMI 347