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Yuki Adachi, Hiromitsu Hayashi, Toshihiko Yusa, Toru Takematsu, Kazuki Matsumura, Takaaki Higashi, Kensuke Yamamura, Takanobu Yamao, Katsunori Imai, Yo−ichi Yamashita, Hideo Baba 
World J Gastroenterol 26(18):2268-2275. Published online May 14, 2020. doi: 10.3748/wjg.v26.i18.2268