Naohisa Yoshida, Yasunari Mano, Takahisa Matsuda, Yasushi Sano, Ken Inoue, Ryohei Hirose , Osamu Dohi, Yoshito Itoh, Akari Goto, Tomotaka Sobue, Yoji Takeuchi, Tomio Nakayama, Michihiro Muto, Hideki Ishikawa, DOI:10.1111/jgh.15531, Journal of Gastroenterology and Hepatology 36(10), April 2021.