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Open-Access Journal
Review
Diego García-Compeán, Emanuela Orsi, Ramesh Kumar, Felix Gundling, Tsutomu Nishida, Jesús Zacarías Villarreal-Pérez, Ángel N Del Cueto-Aguilera, José A González-González, Giuseppe Pugliese 
World J Gastroenterol 28(8):775-793. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.775
Minireviews
Basic Study
Ying-Ying Lu, Jing-Jing Wang, Lun-Gen Lu, Wen-Hua Li, Zhong-Mei Pei, Zhen-Yu Cui, Meng-Jie Zhang, You Lu, Qiao-Li Jiang 
World J Gastroenterol 28(8):811-824. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.811
Retrospective Cohort Study
Yu-Ching Chou, Hua-Ching Lin, Chih-Hsiung Hsu, Tsan Yang, Chien-An Sun, Yu-Jyun Lin, Jia-Jheng Wu, Chao-Yang Chen, Pi-Kai Chang, Je-Ming Hu, Pei-Hsuan Hu, Pin-Yu Lai, Jing-Quan Su 
World J Gastroenterol 28(8):825-839. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.825
Retrospective Study
Gil Ho Lee, Eunyoung Lee, Bumhee Park, Jin Roh, Sun Gyo Lim, Sung Jae Shin, Kee Myung Lee, Choong-Kyun Noh 
World J Gastroenterol 28(8):840-852. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.840
Yoo Min Han, Su Jin Chung, Seokha Yoo, Jong In Yang, Ji Min Choi, Jooyoung Lee, Joo Sung Kim 
World J Gastroenterol 28(8):853-867. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.853
Case Report
Eiji Yoshida, Yasutoshi Kimura, Takuro Kyuno, Ryoko Kawagishi, Kei Sato, Tsuyoshi Kono, Takehiro Chiba, Toshimoto Kimura, Hitoshi Yonezawa, Osamu Funato, Makoto Kobayashi, Kenji Murakami, Akinori Takagane, Ichiro Takemasa 
World J Gastroenterol 28(8):868-877. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.868
Letter to the Editor
Neasa Mc Gettigan, Aoibhlinn O'Toole, Karen Boland 
World J Gastroenterol 28(8):878-880. Published online Feb 28, 2022. doi: 10.3748/wjg.v28.i8.878
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