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Open-Access Journal
Review
Michiel T J Bak, Marit F E Ruiterkamp, Oddeke van Ruler, Marjo J E Campmans-Kuijpers, Bart C Bongers, Nico L U van Meeteren, C Janneke van der Woude, Laurents P S Stassen, Annemarie C de Vries 
World J Gastroenterol 28(22):2403-2416. Published online Jun 14, 2022. doi: 10.3748/wjg.v28.i22.2403
Ester Badami, Rosalia Busà, Bruno Douradinha, Giovanna Russelli, Vitale Miceli, Alessia Gallo, Giovanni Zito, Pier Giulio Conaldi, Gioacchin Iannolo 
World J Gastroenterol 28(22):2417-2428. Published online Jun 14, 2022. doi: 10.3748/wjg.v28.i22.2417
Minireviews
Basic Study
Retrospective Study
Ming-Ming Meng, Kui-Liang Liu, Xin-Ying Xue, Kun Hao, Jian Dong, Chun-Kai Yu, Hong Liu, Cang-Hai Wang, Hui Su, Wu Lin, Guo-Jun Jiang, Nan Wei, Ren-Gui Wang, Wen-Bin Shen, Jing Wu 
World J Gastroenterol 28(22):2482-2493. Published online Jun 14, 2022. doi: 10.3748/wjg.v28.i22.2482
Observational Study
Randomized Controlled Trial
Florian Mourey, Amélie Decherf, Jean-François Jeanne, Mathieu Clément-Ziza, Marie-Lise Grisoni, François Machuron, Sophie Legrain-Raspaud, Arnaud Bourreille, Pierre Desreumaux 
World J Gastroenterol 28(22):2509-2522. Published online Jun 14, 2022. doi: 10.3748/wjg.v28.i22.2509
Letter to the Editor