Masahiro OGAWA, Masahiro KANEKO, Yokinobu WATANABE, Naoki MATSUMOTO, Midori HIRAYAMA, Toshiki YAMAMOTO, Hiroshi NAKAGAWARA, Ryota MASUZAKI, Tatsuo KANDA, Hirofumi KOGURE (Division of Gastroenterology and Hepatology, Department of Medicine Nihon Universuty School of Medicine)

Haruyuki TAKAKI (Radiology, Hyogo Medical University)

Akira YAMADA (Department of Radiology, Shinshu University School of Medicine)

Shinichiro NAKAMURA, Toshifumi TADA, Kazuhiko MORII, Yu MATSUO, Shiho MURAKAMI, Hiroyuki OKADA (Internal Medicine, Japanese Red Cross Society Himeji Hospital)

Takashi IKEHARA, Risa OMORI, Rena KANEKO, Yusuke NISHIKAWA, Kazunori HIJIKATA, Natsuko NAKAZAKI, Yuichiro YANO, Kentaro KAMATA, Yui KISHIMOTO (Department of Gastroenterology, Kanto Rosai Hospital)

Teiji KUZUYA, Yohei MIYACHI, Naoto KAWABE, Eizaburo OHNO, Takuji NAKANO, Kazunori NAKAOKA, Hiroyuki TANAKA, Yoshiki HIROOKA (Gastroenterology and Hepatology, Fujita Health University)

Hitomi TAKADA, Koji YAMASHITA, Leona OSAWA, Yasuyuki KOMIYAMA, Natsuko NAKAKUKI, Masaru MURAOKA, Yuichiro SUZUKI, Mitsuaki SATO, Shinya MAEKAWA, Nobuyuki ENOMOTO (Gastroenterology and Hepatology, University of Yamanashi)

Kenta YAMAMOTO, Yoji ISHIZU, Takanori ITO, Takaaki GIBO, Tadashi IIDA, Yasuyuki MIZUTANI, Kentaro YAMAO, Takuya ISHIKAWA, Hiroki KAWASHIMA (Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine)