authors TANAKA, Satoru Nagasaki, Shinya OHE, Toshiaki HIRONAGA, Michihiko SUGIYAMA, Daisuke MATSUMOTO, Junko MIHARA, Morihiro HAYASHI, Masaru IMAMURA, Mitsutaka HAGA, Kazuko FUJITA, Hideki KATO, Tadao ISHIZAKI, Kanjiro AMANO, Hiroshi