Hatta, Waku MD, PhD; Gotoda, Takuji MD, PhD, FACG; Oyama, Tsuneo MD, PhD; Kawata, Noboru MD; Takahashi, Akiko MD; Yoshifuku, Yoshikazu MD; Hoteya, Shu MD, PhD; Nakagawa, Masahiro MD, PhD; Hirano, Masaaki MD, PhD; Esaki, Mitsuru MD; Matsuda, Mitsuru MD, PhD; Ohnita, Ken MD, PhD; Yamanouchi, Kohei MD, PhD; Yoshida, Motoyuki MD; Dohi, Osamu MD, PhD; Takada, Jun MD, PhD; Tanaka, Keiko MD; Yamada, Shinya MD, PhD; Tsuji, Tsuyotoshi MD, PhD; Ito, Hirotaka MD, PhD; Hayashi, Yoshiaki MD, PhD; Nakamura, Tomohiro PhD; Shimosegawa, Tooru MD, PhD