Masau Sekiguchi, Kinichi Hotta, Yoji Takeuchi, Shinji Tanaka, Hironori Yamamoto, Kensuke Shinmura, Keita Harada, Toshio Uraoka, Takashi Hisabe, Yasushi Sano, Hitoshi Kondo, Takahiro Horimatsu, Hidezumi Kikuchi, Takuji Kawamura, Shinji Nagata, Katsumi Yamamoto, Masahiro Tajika, Shigetsugu Tsuji, Toshihiro Kusaka, Yusuke Okuyama, Naohisa Yoshida, Tomohiko Moriyama, Aki Hasebe, Suketo So, Hideki Kobara, Hiroshi Kashida, Ryoichi Miyanaga, Sosuke Kato, Yoshito Hayashi, Miwa Sada, Masakatsu Fukuzawa, Hiroyuki Kato, Tetsuji Takayama, Jun Konishi, Hiro-o Matsushita, Toshiaki Narasaka, Ken Ohata, Kazutomo Togashi, Hisashi Nakamura, Kentaro Moriichi, Yasushi Oda, Naoki Kanda, Toshio Kuwai, Shuji Terai, Makoto Sanomura, Shinji Kitamura, Hayato Miyamoto, Shinsuke Kiriyama, Chiemi Mizuno, Yutaka Saito, Shigeki Sekine, Sayo Ito, Hiroko Nakahira, Shiro Oka, Yoshikazu Hayashi, Kenichi Yoshimura, Hideki Ishikawa, Takahisa Matsuda & The C-NET STUDY Group, DOI:10.1007/s00535-022-01877-5, Journal of Gastroenterology, May 2022.